Koy Ra. 2002. Variation in growth characteristics and seed production of improved Acacia mangium in advanced generation seed orchard at Lad Krating plantation, Chachoengsao, Thailand. Department of Silviculture, Kasetsart University;
Koy Ra. (2002) Variation in growth characteristics and seed production of improved Acacia mangium in advanced generation seed orchard at Lad Krating plantation, Chachoengsao, Thailand . Kasetsart University/Bangkok.
Koy Ra. Variation in growth characteristics and seed production of improved Acacia mangium in advanced generation seed orchard at Lad Krating plantation, Chachoengsao, Thailand. . Bangkok:Kasetsart University, 2002.
Koy Ra. (2002) Variation in growth characteristics and seed production of improved Acacia mangium in advanced generation seed orchard at Lad Krating plantation, Chachoengsao, Thailand . Kasetsart University/Bangkok.