Thapa, T., Upadhyaya, C., Timilsina, Y., Bhandari, S., & Puri, L. (2013). Predicting Total Height from Diameter Using Nonlinear Models in Pinus roxburghii. Nepal Journal of Science and Technology, 14(1), 147–152. https://doi.org/10.3126/njst.v14i1.8935