WALY RB. STUDY THE COMBINED PROGRESSIVE SYSTEM OF THE SCIENTIFIC CLASSIFICATION OF LEARNING TARGETS IN FLIPPED CLASSROOM. International Journal of Pedagogics, [S. l.], v. 2, n. 06, p. 4–7, 2022. DOI: 10.37547/ijp/Volume02Issue06-02. Disponível em: https://theusajournals.com/index.php/ijp/article/view/214. Acesso em: 27 sep. 2026.