[1]
RahmanA., PratiwiN.T.M. and HariyadiS. 2017. Struktur Komunitas Fitoplankton di Danau Toba, Sumatera Utara. Jurnal Ilmu Pertanian Indonesia. 21, 2 (Aug. 2017), 120-127. DOI:https://doi.org/10.18343/jipi.21.2.120.