Martinelli, I., Daniel Reynaldi L Tobing, & Joseph William. (2026). Kedudukan Surat Perjanjian Kerja (SPK) dan Perlindungan Hukum Kontraktor atas Penghentian Sepihak: Analisis Putusan Mahkamah Agung Nomor 633 K/Pdt/2025. Journal of Citizen Research and Development, 3(1), 264–271. https://doi.org/10.57235/jcrd.v3i1.8469