Wiratman, Arwan, Widiyanto, Bayu, AND Fadli, Moh.. " Analisis Keterampilan Proses Sains Peserta Didik Madrasah Ibtidaiyah pada Masa Pandemi Covid-19" Bidayatuna: Jurnal Pendidikan Guru Madrasah Ibtidaiyah [Online], Volume 4 Number 2 (24 October 2021)