Damarwan, Eko Swi, Haryanto Haryanto, and La Tara. “The Effect of Problem Based Learning and Teams Games Tournaments Model to Improve Competencies”. Jurnal Pendidikan Teknologi dan Kejuruan 24, no. 1 (April 17, 2018): 137–146. Accessed June 8, 2025. https://jurnal.uny.ac.id/index.php/jptk/article/view/18183.