Theodorus Warman, Prof Dr. Arif Darmawan, SU, and Dr. Rachmawati Novaria, MM, “Implementatıon Of The Securıty Unıt In Performıng On Task And Role – Based On Perpol NO. 4 / 2020 In Surabaya City”, ajmesc, vol. 3, no. 03, pp. 117-128, May 2023.