Chantarat Hirunkitrangsee. (2008) <A> comparison of Shannon's diversity index estimators under unseen species in sample : study on macrofungi in Khek watershed, Phetchabun province. Mahidol University,:ม.ป.ท.Chantarat Hirunkitrangsee. 2008. <A> comparison of Shannon's diversity index estimators under unseen species in sample : study on macrofungi in Khek watershed, Phetchabun province. ม.ป.ท.:Mahidol University,;Chantarat Hirunkitrangsee. <A> comparison of Shannon's diversity index estimators under unseen species in sample : study on macrofungi in Khek watershed, Phetchabun province. ม.ป.ท.:Mahidol University, 2008. Print.