चक्रवर्ती उत्पल. पाठ्यचर्या विकास एवं क्रियान्वयन . Voices of Teachers and Teacher Educators, [S. l.], v. 6, n. 1, p. p. 61–64, 2017. Disponível em: http://ejournals.ncert.gov.in/index.php/vtte/article/view/217. Acesso em: 16 jun. 2025.