Ernawati E, Widyastuti DE, Rohmatika D, Apriani A, Putri A G A, Umarianti T. The effect of using the soppa application on cognitive and psychomotor improvement of breastfeeding mothers. Int. Journal Health Scie. Tech. [Internet]. 2023 Nov. 30 [cited 2024 Nov. 21];5(2):102-8. Available from: https://ejournal.unisayogya.ac.id/index.php/ijhst/article/view/3167