Setiawaty Th. Ambat, Shelty D.M Sumual, Jenny Nancy Kaligis, Jerry R.H Wuisang, and Dominikus Rojoki Manullang. 2026. “An Analysis of Teachers’ Strategies for Developing Problem-Based Learning in Marketing Vocational Education at SMK Negeri 1 Manado”. Journal of Educational Analytics 5 (2):353-68. https://doi.org/10.55927/jeda.v5i2.21.