Utomo, Anang, Joko Widodo, Supartono Supartono, and Haryono Haryono. “The Development of Training Management Model of Soft Skill Learning Integrated With Chemo-Entrepreneurship (CEP) For High School Chemistry Teachers in Semarang”. The Journal of Educational Development 4, no. 1 (1): 83-90. Accessed November 22, 2024. https://journal.unnes.ac.id/sju/jed/article/view/11010.