EFFECTS OF 5Es TEACHING CYCLE ON RETENTION ABILITY IN RADIOACTIVITY CONCEPT AMONG SENIOR SECONDARY SCHOOL STUDENTS OF VARIED ABILITY IN ENUGU STATE, NIGERIA. JOURNAL OF EDUCATIONAL RESEARCH ON CHILDREN, PARENTS & TEACHERS, [S. l.], v. 6, n. 2, p. 168–180, 2025. Disponível em: https://ercptjournal.com/index.php/ojs/article/view/160. Acesso em: 8 nov. 2026.