Anoling Jr., O. C., J. D. Dagdag, J. F. Pascual, and R. P. Salviejo. “Factor Structure of Problem-Solving Efficacy Among College Algebra Students”. Journal of Research, Policy & Practice of Teachers and Teacher Education, vol. 8, no. 2, Dec. 2018, pp. 19-28, doi:10.37134/jrpptte.vol8.no2.3.2018.