00839nam0-22002891i-450 99000160093040332120190905092346.0000160093FED01000160093(Aleph)000160093FED0100016009320030910d1971----km-y0itay50------baengFact-finding with rural peoplea guide to Effective Social SurveyHsin-Pao YangFAORomaFAO1971X, 138 p.23 cmAgricultural development paper52Sociologia rurale307.72Yang,Hsin-Pao67937ITUNINARICAUNIMARCBK99000160093040332160 301.35 YANH 197144505FAGBCFAGBCFact-finding with rural people368345UNINA