AGBAJEOLA, Rachael Oluwakemi; AJAYI, Kassim Olusanmi; BUKARY , Gaye; AKANBI, Omobolaji Olufunmilola. INFLUENCE OF TEACHERS’ PROFESSIONAL DEVELOPMENT ON STUDENTS’ ACADEMIC ACHIEVEMENT IN PUBLIC SENIOR SECONDARY SCHOOL MATHEMATICS IN THE GAMBIA. African Journal of Behavioural and Scale Development Research, [S. l.], v. 7, n. 1, 2025. DOI: 10.58579/AJB-SDR/7.1.2025.10. Disponível em: https://ojs.abreap.org/index.php/journal/article/view/401. Acesso em: 16 mar. 2026.