Rajagukguk DL, Salim A, Lestari KSD, Isa DE. Public Communication Proficiency Workshop to Strengthen Students’ Self-Confidence of SMKN 3 Depok. Indones. J. Community Serv. Cel [Internet]. 2023 Jun. 17 [cited 2026 Mar. 5];2(1):27-32. Available from: http://ijcomcel.org/index.php/IJCSC/article/view/35