“CORRELATION STUDY OF SOCIAL MEDIA ACCESS WITH SLEEP QUALITY AND LEARNING CONCENTRATION TO MIDWIFERY STUDENT”. INTERNATIONAL JOURNAL OF NURSING AND MIDWIFERY SCIENCE (IJNMS), vol. 7, no. 3, Dec. 2023, pp. 280-4, https://doi.org/10.29082/IJNMS/2023/Vol7/Iss3/545.