Nurfalah, Edy, and Puji Rahayu. “Student Study Motivation Viewed From Intrinsic Orientation Objectives in Learning Mathematical Statistics”. Prosiding SNasPPM, vol. 8, no. 1, Oct. 2023, p. 136-42, http://prosiding.unirow.ac.id/index.php/SNasPPM/article/view/2199.