SOHRABI, VAHAB, RAMIN RAHMANI, SHAHROKH JABBARI, and HADI MOAYERI. 2016. “Evaluation Structural Diversity of Carpinus Betulus Stand in Golestan Province, North of Iran”. Nusantara Bioscience 3 (1). https://doi.org/10.13057/nusbiosci/n030104.