The Effect of Health Education Method Using Printed Booklet Media on Adolescents’ Knowledge Level About Sexually Transmitted Diseases (STDs): A Pre-Experimental Study Among Grade XI Students of SMAN 3 Surabaya, Indonesia. International Journal of Advanced Health Science and Technology [Internet]. 2026 Jun. 14 [cited 2026 Jun. 15];6(3):220-6. Available from: https://ijahst.org/index.php/ijahst/article/view/601