EFFECTS OF ETHNO-CHEMISTRY INSTRUCTIONAL APPROACH ON SECONDARY SCHOOL STUDENTS’ ACADEMIC ACHIEVEMENT AND RETENTION IN CHEMISTRY IN IDEMMILI -NORTH LOCAL GOVT. AREA, ANAMBRA STATE. JOURNAL OF EDUCATIONAL RESEARCH ON CHILDREN, PARENTS & TEACHERS, [S. l.], v. 4, n. 1, p. 102–111, 2023. Disponível em: https://ercptjournal.com/index.php/ojs/article/view/81. Acesso em: 8 nov. 2026.