Leman, M., Lubis, L., Daulay, M., Adella, C., & Megawati, E. (2021). THE ASSOCIATION OF SLEEP QUALITY WITH COGNITIVE FUNCTION AMONG STUDENTS FACULTY OF MEDICINE UNIVERSITY OF NORTH SUMATRA. JIMKI: Jurnal Ilmiah Mahasiswa Kedokteran Indonesia, 9(2), 27-35. https://doi.org/10.53366/jimki.v9i2.474