Intan Dwi Junitasari 2024. The Effectiveness of The National Collective Management Institute in Song or Music Royalty Management Based on Lawrence M. Friedman’s Theory. International Journal Of Humanities Education and Social Sciences (IJHESS) . 4, 1 (Aug. 2024). DOI:https://doi.org/10.55227/ijhess.v4i1.1142.