Kusumastuti, T A, R Widiati, S Nurtini, S Paramitasari Syahlani, and M A Ummul Muzayyanah. “Analysis of the Implementation of Ettawa Crossbred Goat Manure Treatment in the District Kulonprogo Yogyakarta, Indonesia”. KnE Life Sciences 4, no. 11 (March 10, 2019): 326–332. Accessed August 10, 2020. https://knepublishing.com/index.php/KnE-Life/article/view/3878.