Zega, Rintis Kharisna Putri, et al. “Development of a Problem Based Learning Module for Class XI SMAK Arastamar Lotu Academic Year 2021 2022”. QISTINA: Jurnal Multidisiplin Indonesia, vol. 2, no. 1, June 2023, pp. 160-7, doi:10.57235/qistina.v2i1.567.