MARIKENA, Nita; SUSILAWATI; YULI SETIAWANNIE. Focus Group Discussion Kualitas Air Danau Toba dalam Penentuan Status Trofik Danau Toba. ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi, [S. l.], v. 1, n. 3, p. 363–370, 2022. DOI: 10.55123/abdikan.v1i3.814. Disponível em: https://journal.literasisains.id/index.php/abdikan/article/view/814. Acesso em: 17 feb. 2026.