Dedita Vicky Tarigan, Kiki Farida Ferine. The Effect Of Leadership Style, Human Resources Quality and Organizational Citizenship Behavior (OCB) on Organizational Commitment In Communication Mediation at BPJS Ketenagakerjaan Nias Gunungsitoli & North Medan. Equivalent . 2026;4(2):2558-2577. doi:10.61994/equivalent.v4i2.1943