Eki Dudi Darmawan, Sutaryat Trisnamansyah, Adjat Sudrajat, and Wiwik Dyah Aryani, “Effectiveness Of Training And Coaching Strengthening Entrepreneurship In Improving Youth Business Competence (Descriptive study at the Bandung City Youth and Sports Office)”, IJERSC, vol. 2, no. 6, pp. 1348–1357, Dec. 2021.