ASTHANA, M. N.; THAPLIYAL, K. C.; SOOD, K. G.; SHARMA, N. L. A Study of Log Skidding by Tractors. Indian Forester, [S. l.], v. 97, n. 6, p. 298–303, 1971. DOI: 10.36808/if/1971/v97i6/26419. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/26419. Acesso em: 21 aug. 2025.