Gitaswari, Agata, AND 		Hayani, Hayani.
"PENGARUH PERSEPSI PANDEMI COVID 19 TERHADAP MOTIVASI BELAJAR SISWA DI SMA KRISTEN KALAM KUDUS SURABAYA" <em>Jurnal Humanistik</em> [Online], Volume 11 Number 1 (20 August 2023)