IJOK ADIBE NJOKU (PHD), M. .; ESE KONYEME (PHD), J. . ATTITUDE OF BIOLOGY TEACHERS TOWARD IMPROVISATION OF INSTRUCTIONAL MATERIALS IN SECONDARY SCHOOLS IN ETCHE LOCAL GOVERNMENT AREA, RIVERS STATE, NIGERIA. BW Academic Journal, [S. l.], 2026. Disponível em: https://mail.bwjournal.org/index.php/bsjournal/article/view/3998. Acesso em: 11 may. 2026.