Sari AD, Gamayanti IL, Koeswandari R. The Use of Preoperative Education Booklet Media to Decrease Anxiety Level of School-Aged Children. J. Nurs. Pract [Internet]. 2019 Apr. 1 [cited 2025 Sep. 11];2(2):116-22. Available from: https://www.thejnp.org/index.php/jnp/article/view/54