Lubis, F., Nasution, K., Br. Limbong, D.R., Hasibuan, S.K., Lubis, P.A. and Haiqal, M.F. 2025. Study of the Principle of Ultra Petitum Partium in Civil Cases. Ilmu Hukum Prima (IHP). 8, 1 (May 2025), 38-46. DOI:https://doi.org/10.34012/jihp.v8i1.7109.