Winata, S. e.a. 2021. Development and Validation of a “Pelita Harapan” Questionnaire Assessing Knowledge, Attitude, and Practice Toward Coronavirus Disease 2019 Among Young People in Indonesia. Medicinus. 10, 2 (jun. 2021), 117–130. DOI:https://doi.org/10.19166/med.v8i3.3769.