NAPISAH, Sayyidah; MACHRIZAL, Rusdi. Hubungan Panjang Berat dan Faktor Kondisi Ikan Gulamah (Johnius trachycephalus) di Perairan Sungai Barumun Kabupaten Labuhanbatu. Bioscientist : Jurnal Ilmiah Biologi, [S. l.], v. 9, n. 1, p. 63–71, 2021. DOI: 10.33394/bioscientist.v9i1.3562. Disponível em: https://e-journal3.undikma.ac.id/index.php/bioscientist/article/view/3562. Acesso em: 15 aug. 2025.