(SC(0839) OR SC(0175)) AND DATE(>=1990) and DATE(<=2000) #1 AND (africa? OR angola? OR benin? OR botswana? OR burkina? OR burund? OR cameroon? OR cape verde OR chad OR comoro OR congo? OR zair? OR divoir? OR djibout? OR guinea?) #1 AND (eritrea? OR ethiopia? OR indian ocean OR egypt? OR libya? OR tunis? OR algeria? OR morocco? OR sahara? OR reunion? OR rwanda? OR ruanda? OR sao tome OR senegal? OR seychelle?) #1 AND (sierra leon? OR somali? OR sudan? OR swazi? OR tanzan? OR zanzibar OR togo OR uganda? OR zambia? OR zimbabwe? OR rhodesia? OR gabon? OR gambia? OR ghana? OR kenya?) #1 AND (lesoth? OR liberia? OR madagascar OR malagas? OR malawi? OR mali OR maurita? OR mauriti? OR mozambi? OR namibia? OR niger? OR afrikaans OR amharic OR dogon OR hausa) #1 AND (luganda OR nyakyusa OR bantu OR oromo OR swahili OR kiswahili OR wolof OR berber OR kabyle OR zenati OR chadic OR cushitic OR coptic OR geez OR tigre) #1 AND (tigrinya OR khoisan OR kung OR fula? OR wolof OR fulfulde OR serer? OR limba OR bullom? OR sherbro OR gola OR ijo OR bantoid OR mambila OR ngong) #1 AND (bembe OR enya OR kanu OR chagga OR meru OR gikuyu OR kikuyu OR kongo OR rundi OR bemba OR nyakyusa? OR herero OR ndonga OR ndombe OR yeye) #1 AND (ndebele OR xhosa OR zulu OR shona OR sotho OR tswana OR fang OR lingala OR igbo OR kru OR kwa OR ubangi OR banda OR bambar? OR zande) #1 AND (senoufo OR kordofan? OR mande OR yaoure OR bambara OR malinke OR mandinka OR kpelle OR loma OR mende OR kulfa OR ik OR nuer OR maasai OR dinka) #1 AND (shilluk OR acholi OR luo OR fur OR karanga OR kanuri OR Huambo OR Luanda OR Cotonou OR Parakou OR Natitingou OR Lokossa OR Porto Novo OR Gaborone OR Molepolole) #1 AND (Lobatse OR Francistown OR Selebi-Phikwe OR Ouagadougou OR Bobo-Dioulasso OR Koudougou OR Bujumbura OR Gitega OR Rumonge OR Ngozi OR Yaounde OR Douala OR Nkongsamba OR Maroua OR Garoua) #1 AND (Sao Filipe OR Praia OR Mindelo OR Bossangoa OR Bangui OR Berberati OR Bouar OR Bambari OR Bangassou OR Abeche OR Moundou OR NDjamena OR Djamena OR Sarh OR Moroni) #1 AND (Mutsamudu OR Lubumbashi OR Bukavu OR Kinshasa OR Likasi OR Mbuji-Mayi OR Brazzaville OR Pointe Noire OR Loubomo OR Nkayi OR Yamoussoukro OR Korhogo OR Bouake OR Man OR Gagnoa) #1 AND (Abidjan OR Daloa OR Tadjourah OR Dikhil OR Djibouti OR Obock OR Ali-Sabieh OR Cairo OR Alexandria OR Aswan OR Asyut OR Port Said OR Suez OR Ismailia OR Tanta) #1 AND (Ebebiyin OR Luba OR Bata OR Malabo OR Mongomo OR Asmara OR Massawa OR Asseb OR Keren OR Afabet OR Tessenie OR Awassa OR Jimma OR Nekemt OR Gondar) #1 AND (Makale OR Nazret OR Dessie OR Harar OR Dire Dawa OR Addis Ababa OR Bahir Dar OR Port-Gentil OR Franceville OR Libreville OR Banjul OR Basse OR Mansakonko OR Bakau OR Brikama) #1 AND (Serekunda OR Takoradi OR Accra OR Kumasi OR Tema OR Kindia OR Nzerekore OR Conakry OR Labe OR Kankan OR Bolama OR Bissau OR Bafata OR Gabu OR Farim) #1 AND (Nakuru OR Kisumu OR Nairobi OR Mombasa OR Mohales Hoek OR Maseru OR Teyateyaneng OR Leribe OR Mafeteng OR Harbel OR Buchanan OR Yekepa OR Greenville OR Monrovia OR Sebha) #1 AND (Sirte OR Benghazi OR Tripoli OR Misurata OR Antananarivo OR Antsiranana OR Mahajanga OR Toamasina OR Toliary OR Lilongwe OR Blantyre OR Mzuzu OR Sikasso OR Bamako OR Segou) #1 AND (Mopti OR Kayes OR Gao OR Rosso OR Kiffa OR Zouerate OR Kaedi OR Nouakchott OR Nouadhibou OR Curepipe OR Beau Bassin OR Rose Hill OR Port Louis OR Casablanca OR Marrakesh) #1 AND (Fez OR Tangiers OR Meknes OR Rabat OR Quelimane OR Pemba OR Xai-Xai OR Chimoio OR Tete OR Beira OR Maputo OR Nampula OR Luderitz OR Windhoek OR Oshakati) #1 AND (Gobabis OR Swakopmund OR Otjiwarongo OR Oranjemund OR Tsumeb OR Keetmanshoop OR Niamey OR Tahoua OR Maradi OR Zinder OR Arlit OR Dosso OR Diffa OR Ibadan OR Kano) #1 AND (Abuja OR Enugu OR Kigali OR Butare OR Ruhengeri OR Gisenyi OR Sao Tome OR Trindade OR Santana OR Porto Alegre OR Santo Antonio OR Ziguinchor OR Diourbel OR Saint Louis OR Thies) #1 AND (Dakar OR Kaolack OR Victoria OR Freetown OR Bo OR Kenema OR Makeni OR Mogadishu OR Bosasso OR Hargeisa OR Kismayo OR Juba OR Khartoum OR Port Sudan OR Omdurman) #1 AND (Kassala OR Kosti OR Lobamba OR Manzini OR Mbabane OR Dar es Salaam OR Dodoma OR Zanzibar Town OR Mwanza OR Arusha OR Tanga OR Lome OR Atakpame OR Kara OR Tunis) #1 AND (Sfax OR Bizerte OR Sousse OR Ariana OR Mbale OR Soroti OR Mbarara OR Jinja OR Kampala OR Entebbe OR Lusaka OR Kitwe OR Ndola OR Livingstone OR Kabwe) #1 AND (Masvingo OR Harare OR Bulawayo OR Gweru OR Mutare) #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22 OR #23 OR #24 OR #25 OR #26 OR #27 OR #28 EXTRAS: #32 AND DATE(>=1990) AND DATE(<=1992) #32 AND DATE(>=1993) AND DATE(<=1995) #32 AND DATE(>=1996) AND DATE(<=1998) #32 AND DATE(>=1999) AND DATE(<=2000) (AFRO? AND DATE(>=1990) AND DATE(<=2000)) NOT #32