SRI SUSPENTI, FANNY ADIBAH. PENGARUH TINGKAT MOTIVASI BELAJAR SISWA DAN PENDAPATAN ORANG TUA TERHADAP HASIL BELAJAR MATEMATIKA SISWA SMA DI SURABAYA SELAMA MASA COVID-19 . WIDYALOKA [Internet]. 2022 Jan. 31 [cited 2026 Sep. 11];9(1):85-9. Available from: https://jurnal.ikipwidyadarmasurabaya.ac.id/index.php/widyaloka/article/view/33