Bangun, P. (2021). PENGARUH SPA BAYI TERHADAP PENINGKATAN BERAT BADAN BAYI USIA 4-6 BULAN DI WILAYAH KERJA PUSKESMAS TAPIAN DOLOK KABUPATEN SIMALUNGUN . Jurnal Ilmiah PANNMED (Pharmacist, Analyst, Nurse, Nutrition, Midwivery, Environment, Dentist), 16(3), 549–555. https://doi.org/10.36911/pannmed.v16i3.1191