1.
Permadi R, Zaenudin U. Professional Whats App Blast: Best practice direct digital marketing 4.0 to improve students’ religious moderation implementation. PETiER [Internet]. 2025 Jan. 30 [cited 2026 Apr. 10];7(2):178-95. Available from: https://www.petier.org/index.php/PETIER/article/view/251