Tambunan MAA, Jamiah Y, Siregar N, Rif’at M, Hartoyo A. Integrating Marine Problems as Suplementary for Trigonometry Topic in Nautical Fishing Vessel Program. EJRPM [Internet]. 2023Jun.30 [cited 2025Apr.26];6(1). Available from: https://ejournal.iainkerinci.ac.id/index.php/edumatika/article/view/1735