Setiawaty Th. Ambat, Shelty D.M Sumual, Jenny Nancy Kaligis, Jerry R.H Wuisang, Dominikus Rojoki Manullang. An Analysis of Teachers’ Strategies for Developing Problem-Based Learning in Marketing Vocational Education at SMK Negeri 1 Manado. JEDA [Internet]. 2026 May 20 [cited 2026 Aug. 26];5(2):353-68. Available from: https://journaljeda.my.id/index.php/jeda/article/view/21