Wijaya, A. S., Manafe, L. A. and Chamid, A. (2026) “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(2), pp. 826-833. doi: 10.61992/jiem.v8i2.441.