LONGYIL, Sonia Ishaku; AGBO, Felicia O.. Effects of Pictorial Organizer on Basic Science and Technology Perceived Difficult Concepts and Students’ Achievement in Plateau State, Nigeria. NIU Journal of Humanities, [S.l.], v. 5, n. 2, p. 223-235, jui. 2020. ISSN 3007-1712. Disponible à l'adresse : >https://kampalajournals.ac.ug/ojs/index.php/niuhums/article/view/913>. Date de consultation : 17 avr. 2026