Hayuningtyas, Rischa Devi. “Penggunaan Aplikasi Online ‘PHR Germas’ Bagi Kalangan Masyarakat Kelurahan Kertosari Kecamatan Babadan Kabupaten Ponorogo”. Journal of Community Engagement in Health 5, no. 2 (September 28, 2022): 165–168. Accessed September 13, 2025. https://www.jceh.org/index.php/JCEH/article/view/397.