(1)
Nainggolan, D. M. R.; Sinaga, M. P.; Barat, W. O. B. Study Of Diversity, Uniformity, And Dominance Of Macrophite Water Plants At Aek Batu Pematang Tambun Raya Beach Pematang Sidamanik District, Simalungun District, North Sumatra Province. JIP 2024, 12, 22-31.