SUNGKAWA, I. Penerapan Rasio Sampling Dalam Pendugaan Rasio Lahan Kritis di Wilayah Das Jratun. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 3, n. 1, p. 170-176, 2012. DOI: 10.21512/comtech.v3i1.2419. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2419. Acesso em: 9 mar. 2025.