Botne R (1989). The historical relation of Cigogo to zone J languages. Sprache und Geschichte in Afrika 10/11:187-222.

Burnard P (1991). A method of analysing interview transcripts in qualitative research. Nurse Education Today 11(6):461-466.
Crossref

Drever E (1995). Using Semi-Structured Interviews in Small-Scale Research. A Teacher's Guide. Scottish Council for Research in Education.

Drisko JW, Maschi T (2015). Content analysis: Pocket Guides to Social Work Research. Oxford: University of Oxford Press.
Crossref

Ehret C (1984). Between the coast and the Great lakes. In Niane DT (ed.), General History of East Africa IV: Africa from the twelfth to the Sixteenth Century. Berkeley: University of California Press and UNESCO. pp. 481-497.

Glaser BG, Strauss AL (1967). The discovery of grounded theory: Strategies for qualitative research. London: Aldine Transaction.
Crossref

Guthrie M (1967-1971). Comparative Bantu. Farnborough, England: Gregg International Publishers.

Hinnebusch TJ (1973). Northeast Coastal Bantu. In. Hinnebusch TJ, Nurse D, Mould, M (eds.), Studies in the classification of Eastern Bantu languages. Hamburg: Helmut Buske Verlag pp. 21-126.

Hinnebusch TJ (1981). Prefixes, sound changes, and subgrouping in the coastal Kenyan languages. Doctoral Dissertation, UCLA.

Jackson RH, Maddox, G (1993). The creation of identity: colonial society in Bolivia and Tanzania. Comparative Studies in Society and History 35(2):263-284.
Crossref

Leech BL (2002). Asking questions: Techniques for semistructured interviews .PS: Political Science and Politics 35(4):665-668.
Crossref

Longhurst R (2003). Semi-structured interviews and focus groups. Key Methods in Geography 3(2):143-156.

Maddox GH (1995). Introduction: the ironies of Historia, Mila na Desturi za Wagogo. In. Mnyampala ME (editor's introduction), The Gogo: History, Customs, and Traditions (pp. 1-34). London: Routledge.

Mayring P (2004). Qualitative content analysis. A Companion to Qualitative Research 1(2):159-176.

Mnyampala ME (1995). The Gogo: History, Customs, and Traditions. Translated, Introduced, and Edited by Maddox GH. London: Routledge.

Morgan DL (1996). Focus groups. Annual Review of Sociology 22(1):129-152.
Crossref

Neuendorf KA, Kumar A (2015). Content analysis. The International Encyclopedia of Political Communication pp. 1-10.
Crossref

Nurse D, Phillipson G (1975). The north-eastern Bantu languages of Tanzania and Kenya: a classification. University of Dar es Salaam.

Nyumba T, Wilson K, Derrick CJ, Mukherjee N (2018). The use of focus group discussion methodology: Insights from two decades of application in conservation. Methods in Ecology and Evolution 9(1):20-32.
Crossref

Rigby P (1969). Cattle and Kinship among the Gogo: a semi-pastoral society Central Tanzania. Ithaca: Cornell University Press.

Ryano KP, Mwakipesile A, Rao KS, Kasongi N, Temu E, Ngowi E, Kilonzo R (2020). Rescue archaeology at open air sites around the University of Dodoma, central Tanzania. South African Archaeological Bulletin 75(12):37-48.

Schmidt C (2004). The analysis of semi-structured interviews. In: Flick U, von Kardorff E, Steinke I (eds.), A companion to qualitative research (pp. 253-258). London: SAGE Publications.

Strauss A, Corbin J (1994). Grounded theory methodology. In. Denzin N, Lincoln Y (eds.), Handbook of Qualitative Research. London: SAGE Publications pp. 273-285

Strauss AL (1987). Qualitative analysis for social scientists. Cambridge: Cambridge University Press.
Crossref

Whiting LS (2008). Semi-structured interviews: Guidance for novice researchers. Nursing Standard 22(23):35-40.
Crossref