Janah, M. M. “PUBLIC SERVICE REFORM IN IMPROVING COOPERATIVE PERFORMANCE: Case Study of Sido Makmur Multi-Business Cooperative, Surabaya City”. MAP Observer: Jurnal Penelitian Administrasi Publik, vol. 2, no. 02, Oct. 2022, pp. 36-46, doi:10.30996/mapo.v2i02.7260.