MA’RIFATUN NISA, A.; SUPRAYITNO, H. THE EFFECT OF SELLING PRICE AND PRODUCTION COSTS ON CORN FARMERS INCOME IN SEMANDING, KAWEDUSAN VILLAGE, PONGGOK SUB-DISTRICT. JOSAR (Journal of Students Academic Research), v. 5, n. 2, p. 8-16, 1 Sep. 2020.