@book{134985,
	author = {Opeña, R.t. and Kyomo, M.l.},
	title = {Vegetable research and development in SADCC countries : proceedings (actas) of a workshop},
	publisher = {Asian Vegetable Research Development Center; Southern African Centre for Cooperation in Agricultural Research and Training},
	year = {1990},
	address = {Arusha, Tanzania}
}