FAJAR, M.; GITANINGTYAS, O. P.; MUHTONI, M.; DHAHARI, P. The Estimation of Production Function and Technical Efficiency Shallot Farming. Jurnal Matematika MANTIK, [S. l.], v. 5, n. 1, p. 50–59, 2019. DOI: 10.15642/mantik.2019.5.1.50-59. Disponível em: https://jurnalsaintek.uinsby.ac.id/index.php/mantik/article/view/498. Acesso em: 29 mar. 2024.