A. I. Pertiwi and A. Darumurti, “Collaborative Governance in Empowering Micro, Small, and Medium Enterprises through SiBakul Jogja Free-Ongkir during Covid-19: Case Study: Department of Cooperatives and Small and Medium Enterprises of the Special Region of Yogyakarta”, jssp, vol. 5, no. 1, pp. 49–65, Jun. 2021, doi: 10.19109/jssp.v5i1.7880.