SISWANTO, Franciscus Asisi Joko; RUBIYATNO; DWIATMAKA, Yohanes. IbM Peternak Sapi Perah dan Pengolahan Susu di Pakem Sleman. Abdimas Altruis: Jurnal Pengabdian kepada Masyarakat, [S. l.], v. 1, n. 1, p. 1–7, 2018. Disponível em: http://ejournal.usd.ac.id/index.php/ABDIMAS/article/view/3. Acesso em: 13 oct. 2025.