Purnamasari E, Indrayani T, Widowati R. Efektivitas Baby Gym terhadap Perkembangan Motorik Kasar pada Bayi Usia 6 – 9 Bulan. JPPP [Internet]. 7Feb.2023 [cited 30Apr.2026];5(1):381-8. Available from: https://jurnal.globalhealthsciencegroup.com/index.php/JPPP/article/view/1462