Din Oloan Sihotang, Ermina Waruwu, Johannes Sohirimon Lumbanbatu and Laura Idola Purba 2023. Catholic Religious Teacher Skills in Developing 21st Century Skills in Students at RK Deli Murni Delitua Senior High School. Journal of Multidisciplinary Cases . 3, 05 (Aug. 2023), 1–9. DOI:https://doi.org/10.55529/jmc.35.1.9.