REDDY, N. Upender. Textbook Development Process in Andhra Pradesh. Voices of Teachers and Teacher Educators, [S. l.], v. 6, n. 2, p. p. 72–80, 2018. Disponível em: http://14.139.250.109/index.php/vtte/article/view/284. Acesso em: 18 aug. 2025.