Mega Malynda, Bagus Setyoboedi, and Martono Tri Utomo. 2022. “Factors Associated With Anti-HBs Seroprotection Among Children Aged 10-18 Years Old in Bangkalan Islamic Boarding School, Indonesia”. International Journal of Progressive Research in Science and Engineering 3 (05):1-6. https://journal.ijprse.com/index.php/ijprse/article/view/552.