2023. CORRELATION STUDY OF SOCIAL MEDIA ACCESS WITH SLEEP QUALITY AND LEARNING CONCENTRATION TO MIDWIFERY STUDENT. INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS). 7, 3 (Dec. 2023), 280–284. DOI:https://doi.org/10.29082/IJNMS/2023/Vol7/Iss3/545.