PERAN DOSEN PEMBIMBING AKADEMIK DALAM MENINGKATKAN SEMANGAT BELAJAR DI LINGKUNGAN AKADEMI MARITIM NASIONAL JAKARTA RAYA : The Role Of Academic Supervisors In Increasing The Spirit Of Learning In The National Maritime Academy Environment, Jakarta Raya. matemar [Internet]. 2024 Aug. 8 [cited 2025 Dec. 23];1(2). Available from: https://e-jurnal.amanjaya.ac.id/index.php/matemar/article/view/10