C. Tiofanny, P. B. Giang, M. H. Abd.Rashid, R. Nurdin, N. Sari, dan O. E. Panggabean, “Empowering the Local Economy Through Creative Product Innovation in Pematang Johar”, J. eff. serv., vol. 4, no. 02, hlm. 433–443, Des 2025.