EFFENDI, IRWAN and Mutolib, Abdul and Yanfika, Helvi and begem, viantimala and Listiana, Indah (2019) similarity check result PERCEPTION OF CASSAVA (Manihot Esculenta) FARMERS ON THE ROLE OF FIELD AGRICULTURAL EXTENSION OFFICER IN BUMI AGUNG VILLAGE OF TEGINENENG SUBDISTRICT OF PESAWARAN REGENCY. http://ijsser.org, International Journal of Social Science and Economic Research.