MANDALA, W.; IVAN’S, E. Analisis titik impas dan kelayakan usaha ternak ayam petelur mandiri di Kecamatan Way Jepara, Kabupaten Lampung Timur. Open Science and Technology, [S. l.], v. 2, n. 1, p. 62–73, 2022. DOI: 10.33292/ost.v2i1.52. Disponível em: https://opscitech.com/journal/article/view/52. Acesso em: 22 jan. 2026.