Erniwati, Erniwati, Hunaidah Hunaidah, Rifki Nurhidayat, and Suritno Fayanto. 2022. “The Testing of E-Module Flip-PDF Corporate to Support Learning: Study of Interests and Learning Outcomes”. Journal of Education Technology 6 (4):586-97. https://doi.org/10.23887/jet.v6i4.43857.