SIMBOLON, N., I. MARBUN, and E. SIMANJUNTAK. “Evaluating Reading Comprehension Ability through the SQ4R Model”. Utopía Y Praxis Latinoamericana, Vol. 25, no. 1, Aug. 2020, pp. 511-23, http://www.produccioncientifica.luz.edu.ve/index.php/utopia/article/view/33565.