Najwa Nurfajriah, Imam Tabroni, Nursyifa Faujiah, Ridha Nurjannah, & Tiara Putri. (2023). Problem Based Learning (PBL): Concrete Steps to Improve Students’ Communication Skills. International Journal of Integrative Sciences, 1(1), 7–20. https://doi.org/10.55927/ijis.v1i1.2973