“THE USEFULNESS OF GRAPHIC ORGANIZERS IN ENHANCING READING COMPREHESION ON TEXT TYPES: THE STUDY ON RESEARCH FINDINGS AND ISSUES ”. Jurnal Ilmiah Spectral, vol. 4, no. 2, June 2018, pp. 033-49, https://journal.stbapontianak.ac.id/index.php/spectral/article/view/29.