Rivera, Willam m .
Agricultural Extension Worldwide / edited by William m Rivera and Susan g Schram. - London : Croom Helm , 1987. - 294p. : Charts ; 24cm. .
Includes index
0709942389 NULL
AGRICULTURAL EXTENSION WORK
630.715 / RIV/A
Agricultural Extension Worldwide / edited by William m Rivera and Susan g Schram. - London : Croom Helm , 1987. - 294p. : Charts ; 24cm. .
Includes index
0709942389 NULL
AGRICULTURAL EXTENSION WORK
630.715 / RIV/A