Putri, May Lucyana Kartono, and Muhlasin Amrullah. 2021. “The Influence of Online Learning on the Development of Students at SD Muhammadiyah 5 Porong During the Covid Pandemic: Pengaruh Pembelajaran Online Terhadap Perkembangan Siswa SD Muhammadiyah 5 Porong Di Tengah Pandemi Covid 19”. Proceedings of The ICECRS 10 (October). https://doi.org/10.21070/icecrs20211172.