BAROKAH, S. M.; MATANGARAN, J. R.; SANTOSA, G. Cost Analysis of Felling with Chainsaw and Skidding with Farm Tractor in KPH Saradan. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 33, n. 1, p. 89–102, 2017. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7205. Acesso em: 3 jul. 2024.