1.Social-Economic Factors Influencing Ginger (Zingiber Officinale) Productivity among Smallholders Growers in Tanzania - Case of Same District

作　　者：Joel. Johnson Mmasa ;Joseph Kizito Mhagama

出　　处：Journal of Economics and Sustainable Development. 2017 ;8(8):12-29.

出版社：The International Institute for Science, Technology and Education (IISTE)

文章 ID：197658651

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2.Impact of Ginger Farming to Smallholder Farmers’ Income in Tanzania – Case of Same District

作　　者：Joel Johnson Mmasa

出　　处：Asian Journal of Agricultural Extension, Economics & Sociology. 2017 ;20(2):1-10.doi:10.9734/AJAEES/2017/34873

出版社：Sciencedomain International

文章 ID：202428415

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3.Mapping of the Sweet Potato Value Chain Linkages between Actors, Processes and Activities in the Value Chain: A Case of “Michembe” and “Matobolwa” Products

作　　者：Joel Johnson Mmasa ;Elibariki Emmanuel Msuya

出　　处：Sustainable Agriculture Research. 2012 ;1(1):130.

出版社：Canadian Center of Science and Education

文章 ID：186761246

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4.Assessment of the Power Relations among Strategic Actors in the Sesame Value Chain in Tanzania

作　　者：Joseph Kizito Mhagama ;Joel Johnson Mmasa

出　　处：Asian Journal of Agricultural Extension, Economics & Sociology. 2022 ;40(1):30-47.doi:10.9734/ajaees/2022/v40i130831

出版社：Sciencedomain International

文章 ID：1038379682

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	Joel Johnson Mmasa	3篇
	Joseph Kizito Mhagama	2篇
	Elibariki Emmanuel Msuya	1篇
	Joel. Johnson Mmasa	1篇

	Asian Journal of Agricultural Extension, Economics & Sociology	2篇
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