Anoling Jr., O. C., Dagdag, J. D., Pascual, J. F. and Salviejo, R. P. (2018) “Factor structure of problem-solving efficacy among college Algebra students”, Journal of Research, Policy & Practice of Teachers and Teacher Education, 8(2), pp. 19–28. doi: 10.37134/jrpptte.vol8.no2.3.2018.