©2013 National Research Council of Thailand
Toonsak Wanyaphet. 2003. Seasonal variations in the cambial activity of the two native pine (Pinus merkusii and P. kesiya) in Chiangmai province, Northern Thailand. Field of Study Technology of Environmental Planning for Rural Development, Mahidol University;
Toonsak Wanyaphet. (2003) Seasonal variations in the cambial activity of the two native pine (Pinus merkusii and P. kesiya) in Chiangmai province, Northern Thailand . Mahidol University/Bangkok.
Toonsak Wanyaphet. Seasonal variations in the cambial activity of the two native pine (Pinus merkusii and P. kesiya) in Chiangmai province, Northern Thailand. . Bangkok:Mahidol University, 2003.
Toonsak Wanyaphet. (2003) Seasonal variations in the cambial activity of the two native pine (Pinus merkusii and P. kesiya) in Chiangmai province, Northern Thailand . Mahidol University/Bangkok.