Nainggolan, Astrid Indah Sari, Indra Lesmana, Budi Utomo, Syammaun Usman, and Ani Suryanti. “STUDI KELAYAKAN FINANSIAL USAHA BUDIDAYA UDANG VANNAMEI (Litopenaeus Vannamei) DI KECAMATAN PANTAI CERMIN KABUPATEN SERDANG BEDAGAI PROVINSI SUMATERA UTARA”. MarIslands 1, no. 1 (March 7, 2021): 13–23. Accessed January 26, 2026. https://ojs.umrah.ac.id/index.php/mar/article/view/2646.