R. Otsamo, G. Adjers, J. Kuusipalo, A. Otsamo, N. Susilo, & K. Tuomela. (1996). EFFECT OF NURSERY PRACTICES ON SEED GERMINATION OF SELECTED DIPTEROCARP SPECIES. Journal of Tropical Forest Science (JTFS), 9(1), 23–34. Retrieved from https://jtfs.frim.gov.my/jtfs/article/view/1655