Naharuddin, N. “Indeks Keanekaragaman Dan Kemiripan Vegetasi Di Hutan Sekunder Kawasan Sub Das Powelua Kabupaten Donggala”. Agroland: Jurnal Ilmu-Ilmu Pertanian, Vol. 13, no. 3, June 2020, pp. 260 -64, http://103.245.72.23/index.php/agrolandnasional/article/view/230.