Taufiq, M., Pono, M., & Hamid, N. (2023). Correlation Between Supervision and Collaboration Using Trello to Enhance Quality of Photobooth Service: Case Study on Kotak Narsis Photobooth. Economics and Business Journal (ECBIS), 1(5), 673–680. https://doi.org/10.47353/ecbis.v1i5.80