KONO, Segita et al. Abundance and Ecological Index of Peryphyton in Bone River Bone Bolango in Gorontalo Regency. Jurnal Sumberdaya Akuatik Indopasifik, [S.l.], v. 5, n. 3, p. 235-244, aug. 2021. ISSN 2550-0929. Available at: <https://ejournalfpikunipa.ac.id/index.php/JSAI/article/view/137>. Date accessed: 22 oct. 2021. doi: https://doi.org/10.46252/jsai-fpik-unipa.2021.Vol.5.No.3.137.