Efforts To Increase Interest In Learning Machine Prime Mover Boats Students Through Learning Method Demonstration In Class X Smk Negeri 1 Sutera Sutera District Of School Year 2015/2016. JIPS [Internet]. 2018 Oct. 27 [cited 2026 Apr. 5];1(2):71-9. Available from: https://e-journal.sastra-unes.com/index.php/JIPS/article/view/249