Verrawaty Amelia Padunggala, et al. “The Effect of Whatsapp-Based Health Education on Improving Maternal Health Literacy in Stunting Prevention at Dengilo Health Center”. International Journal of Health, Economics, and Social Sciences (IJHESS), vol. 8, no. 2, Feb. 2026, p. 948~954, doi:10.56338/ijhess.v8i2.10536.