共 11 条
[1]
Adekoya A.E., 2000, J ENV EXTENSION, V1, P98
[2]
AKINBILE LA, 2005, 11 NAT C AGR EXT SOC, P1
[3]
FAYOMI OA, 2005, EFFECT INNOVAT UNPUB, P10
[4]
IGODAN CO, 1987, ADM EXTENSION, V1, P149
[5]
JIBOWO AA, 1992, IFE J AGR, V6, P85
[6]
KORDYLAS Y, 1990, PRESERVATION TROPICA, P15
[7]
NWEKE J, 1996, GLOBAL CASSAVA STRAT, P3
[8]
TESFAYE G, 1987, CASSAVA AFRICA WORLD, P1
[9]
TEWE OO, 1998, LIV IND IN LECT PRES, P4
[10]
UMAR BF, 1994, THESIS U IBADAN NIGE, P63