Παραπομπή σε μορφή APA (7η εκδ.)
Gathecha, C. W. (2012). The effectiveness of communication channels used in diffusion of agricultural innovations: The case of improved pigeonpea variety in Makueni county. Daystar University.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Gathecha, Christine Wangari. The Effectiveness of Communication Channels Used in Diffusion of Agricultural Innovations: The Case of Improved Pigeonpea Variety in Makueni County. Nairobi: Daystar University, 2012.
Παραπομπή σε μορφή MLA (9th εκδ.)
Gathecha, Christine Wangari. The Effectiveness of Communication Channels Used in Diffusion of Agricultural Innovations: The Case of Improved Pigeonpea Variety in Makueni County. Daystar University, 2012.
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