Sulasteri, S. et al. 2020. THE EFFECT OF MATHEMATICAL SELF-EFFICACY ON THE STUDENTS’ LEARNING OUTCOMES OF TEACHING PRACTICE PLACEMENT (PPL). Lentera Pendidikan : Jurnal Ilmu Tarbiyah dan Keguruan. 23, 1 (Jun. 2020), 98–107. DOI:https://doi.org/10.24252/lp.2020v23n1i9.