Zaenurdin et al. 2024. THE RELATIONSHIP BETWEEN SMARTPHONE USE AND EARLY CHILDHOOD BEHAVIOR AT TK NEGERI PEMBINA SUMEDANG. Buletin Veteriner Udayana. 16, 4 (Jun. 2024), 1035–1041. DOI:https://doi.org/10.24843/bulvet.2024.v16.i04.p09.