Setiyawati, Indah, Retno Wulan, and Puji Hastuti. 2023. “Relationship Between Baby Gym Frequency on Development In 6-9 Months Aged Infants at Posyandu RW 12 Pademangan Barat North Jakarta”. Menara Journal of Health Science 2 (2):205-15. https://jurnal.iakmikudus.org/article/view/80.