R. Simanjuntak and W. . Wahyuning Tyas, “EFEKTIVITAS BABY MASSAGE DENGAN PERKEMBANGAN MOTORIK BAYI USIA 1-12 BULAN : EFFECTIVENESS OF BABY MASSAGE ON MOTOR DEVELOPMENT OF BABIES AGED 1-12 MONTHS”, GK, vol. 17, no. 1, pp. 1–8, Jun. 2025.