SINA, Ibnu; ZULKARNAEN, Iskandar. MARGALEF INDEX, SIMPSON INDEX AND SHANNON-WEAIVER INDEX CALCULATION FOR DIVERSITY AND ABUDANCE OF BEETLE IN TROPICAL FOREST. STATMAT: Jurnal Statistika dan Matematika, [S. l.], v. 1, n. 2, 2019. DOI: 10.32493/sm.v1i2.2948. Disponível em: https://openjournal.unpam.ac.id/index.php/sm/article/view/2948. Acesso em: 21 feb. 2026.