PENGARUH NON-NUTRITIVE SUCKING TERHADAP RESPON NYERI DAN FREKUENSI NADI BAYI BBLR SAAT TINDAKAN PEMASANGAN INFUS DI RUANG NICU: The Effect of Non-Nutritive Sucking on the Pain Response and Pulse Frequency of LBW Babies During Infusion Installation in the NICU Room at RSD Mangusada. jika 2025, 7 (1), 40-46. https://doi.org/10.32584/jika.v7i1.2534.