Khairul, Khairul, Zunaidy Abdullah Siregar, and Rusdi Machrizal. “Korelasi Faktor Fisika Kimia Perairan Terhadap Densitas Belangkas Di Pantai Timur Sumatera Utara”. CHEESA: Chemical Engineering Research Articles 2, no. 1 (June 29, 2019): 10–18. Accessed May 11, 2025. https://e-journal.unipma.ac.id/index.php/cheesa/article/view/3850.