DUNGANA, Narayan; DUBJUR, Tashi. Pavement Assessment of Farm Roads in Bhutan. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 21, n. 1, p. 91–98, 2016. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/1735. Acesso em: 17 sep. 2025.