Rachmawati I, Yanti Hermayanti, Ermiati E. Enhancing self-care in hypertensive pregnant women through WhatsApp application. JKK [Internet]. 2025 Dec. 29 [cited 2026 Jan. 30];21(2):120-8. Available from: https://ejournal.unisayogya.ac.id/index.php/jkk/article/view/4097