M ATEKA, Josiah; AYIEKO ONONO - OKELO, Perez Ayieko Onono - Okelo; ETYANG, Martin. Does Participation in Farmer Field School Extension Program Improve Crop Yields? Evidence from Smallholder Tea Production Systems in Kenya. International Journal of Agricultural Management and Development, [S. l.], v. 9, n. 4, p. 409–423, 2019. Disponível em: https://oiccpress.com/ijamad/article/view/6977. Acesso em: 2 may. 2026.