SINGH, Sagar. Thoughts on Cellulosic Raw Material Problems Vis-a-vis Hardwoods. Indian Forester, [S. l.], v. 97, n. 9, p. 499–507, 1971. DOI: 10.36808/if/1971/v97i9/26448. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/26448. Acesso em: 4 dec. 2025.