The Benefits and Problems in the Implementation of the Special Effort of Rice, Corn, Soybean Production Enhancement Program - Darwis, Valeriana; Muslim, Chairul; Hangga Saputra, Yonas (SOCA: Jurnal Sosial Ekonomi Pertanian; Vol 14 No 3 (2020): Vol.14, No.3, 2020DO - 10.24843/SOCA.2020.v14.i03.p03, 2020)