Surachman Suwardi, Dyah Gandasari, Opik Ahmad Taopik, Wardani, Rifa Rafi’atu Syabani Wihansah 2020. Critical Dimension on Beef Cattle Livestosk Institutional Development (A Case of Social-Economic Engineering on Learning Society). International Journal of Advanced Science and Technology. 29, 3 (Apr. 2020), 8123 - 8129.