NINGSIH, F. Perencanaan Investasi Pengelolaan Ayam Petelur. Jurnal Teknik Industri, [S. l.], v. 9, n. 1, p. 55–60, 2009. DOI: 10.22219/JTIUMM.Vol9.No1.55-60. Disponível em: https://ejournal.umm.ac.id/index.php/industri/article/view/6122. Acesso em: 4 jul. 2024.