Kholili, M.I. and Purwaningrum, R. 2024. Assisted Problem Based Learning Mobile Learning Application to Improve Preservice Counselor Problem Solving Skills. Jurnal Penelitian dan Pengembangan Pendidikan. 8, 2 (Aug. 2024), 199–208. DOI:https://doi.org/10.23887/jppp.v8i2.74890.