[1]
Salwa, A.E. et al. 2026. Problem-based learning in orthogonal projection drawing: A quasi-experimental study on vocational machining students’ technical drawing achievement. Jurnal Pendidikan Teknologi Kejuruan. 9, 2 (May 2026), 146–160. DOI:https://doi.org/10.24036/jptk.v9i2.50323.