Yoshida และผู้แต่งคนอื่นๆ. 1999. Factors determining the tree growth of young plantation in northeastern Thailand : effect of weeding and fertilization treatments. Graduate School of Environmental Earth Science, Hokkaido University;
Yoshida และผู้แต่งคนอื่นๆ. (1999) Factors determining the tree growth of young plantation in northeastern Thailand : effect of weeding and fertilization treatments . Hokkaido University/Hokkaido.
Yoshida และผู้แต่งคนอื่นๆ. Factors determining the tree growth of young plantation in northeastern Thailand : effect of weeding and fertilization treatments. . Hokkaido:Hokkaido University, 1999.
Yoshida และผู้แต่งคนอื่นๆ. (1999) Factors determining the tree growth of young plantation in northeastern Thailand : effect of weeding and fertilization treatments . Hokkaido University/Hokkaido.