Sulasdi NAD, Ismarwati. The Effectiveness of Baby Massage on Sleep Duration for Infants Aged 1-12 Months. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Aug. 25 [cited 2024 Jul. 28];9(8):444-50. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/4797