Purnomo, Tuwoso, Duwi Leksono Edy and Johan Wayan Dika 2024. The Innovation Of Welding Virlab Apps For Pre-Practicum Students To Improve Learning Experiences. Educational Administration: Theory and Practice. 30, 5 (May 2024), 6674–6683. DOI:https://doi.org/10.53555/kuey.v30i5.3996.