Has extension failed? a case study of maize-growing practices in Iringa, Tanzania
De Vries, J.
Has extension failed? a case study of maize-growing practices in Iringa, Tanzania - Morogoro (Tanzania) : Univ. of Dar es Salaam, Dept. of Rural Economy, 1975 - 25 pages - Printed - Rural Economy Research Paper ; No. 1 .
English
Has extension failed? a case study of maize-growing practices in Iringa, Tanzania - Morogoro (Tanzania) : Univ. of Dar es Salaam, Dept. of Rural Economy, 1975 - 25 pages - Printed - Rural Economy Research Paper ; No. 1 .
English