Hilalina, Nina, and Mira. 2021. “Optimization Building Spirit in Education in the New Normal Era of the COVID-19 Pandemic in 2021”. Prosiding Pengembangan Masyarakat Mandiri Berkemajuan Muhammadiyah (Bamara-Mu) 1 (1):395-402. https://proceeding.mbunivpress.or.id/index.php/bamara/article/view/203.