Winarsih, Wiwik Heny. “Simbiose Usaha Tahu-Ternak Ruminansia Besar Di Kabupaten Pacitan”. Cakrawala 7, no. 1 (December 28, 2012): 55–63. Accessed May 13, 2026. http://cakrawalajournal.org/index.php/cakrawala/article/view/177.