Primihastuti, Dianita, Lina Mahayati, and Endang Chayani. “STUDI TENTANG TINGKAT PENGETAHUAN IBU TENTANG DAMPAK SMARTPHONE BAGI ANAK PRA SEKOLAH DI KECAMATAN ASEMROWO SURABAYA”. Jurnal Kebidanan 11, no. 1 (June 14, 2022): 16-21. Accessed November 22, 2024. https://jurnal.stikeswilliambooth.ac.id/index.php/Keb/article/view/341.