Sari, Intan Permata, et al. “FACTORS ASSOCIATED WITH SIBLING RIVALRY IN THE WORKING AREA OF PUSKESMAS BLANG BINTANG”. Journal of Midwifery and Community Health (JMCH), vol. 1, no. 1, Oct. 2022, pp. 12-19, https://journal.poltekkesaceh.ac.id/index.php/jmch/article/view/147.