Halim, H., Teuku Meldi Kesuma, M. Ridha Siregar, Teuku Muhammad Syahrizal, Khairil Umuri, Dinaroe, Iskandarsyah, Fakhrurrazi, Hamdi Harmen, Ahmad Nizam and Farid (2023) “Productivity Improvement Training: Capacity Building For Human Resource Managers In Deli Serdang Regency, Sumatera Utara ”, Jurnal Pengabdian dan Peningkatan Mutu Masyarakat (Janayu), 4(3), pp. 250–260. doi: 10.22219/janayu.v4i3.28196.