Purnomo, Tuwoso, Duwi Leksono Edy, Johan Wayan Dika. The Innovation Of Welding Virlab Apps For Pre-Practicum Students To Improve Learning Experiences. kuey [Internet]. 2024 May 18 [cited 2025 Nov. 6];30(5):6674-83. Available from: https://www.kuey.net/index.php/kuey/article/view/3996