Yuwono, Podo, Fajar Agung Nugroho, E Ernawati, and Dadi Santoso. 2020. “Pengetahuan Tentang Covid-19 Pada Remaja Santri PAYD Muhammadiyah Gombong”. Prosiding University Research Colloquium, December, 12-16. https://repository.urecol.org/index.php/proceeding/article/view/1097.