“Penalaran Proporsional Siswa Kelas Menengah dalam Menyelesaikan Masalah Matematika Ditinjau dari Adversity Quotient : Proportional Reasoning of Middle School Students in Solving Mathematical Problems Viewed From Adversity Quotient”, pedagogia, vol. 9, no. 1, pp. 67–80, Mar. 2020, doi: 10.21070/pedagogia.v9i1.259.