Wijaya, Agustinus Samuel, Leonard Adrie Manafe, and Abdul Chamid. “INSTAGRAM DIGITAL MARKETING IN THE PUBLIC SECTOR: A CASE STUDY AT THE VOCATIONAL AND PRODUCTIVITY TRAINING CENTER SIDOARJO”. Journal Informatic, Education and Management (JIEM) 8, no. 2 (July 13, 2026): 826-833. Accessed July 21, 2026. https://jurnal.stmikiba.ac.id/index.php/jiem/article/view/441.