Woralun Boonyasurat และ William S. Logan. (2009) The restoration of the Viharn Phra Chao Pun Ong (viharn of the one thousand buddhas) at Wat Pongsanuk, Lampang Province : a proposed model for sustainable conservation practice. Silpakorn University,:ม.ป.ท.Woralun Boonyasurat และ William S. Logan. 2009. The restoration of the Viharn Phra Chao Pun Ong (viharn of the one thousand buddhas) at Wat Pongsanuk, Lampang Province : a proposed model for sustainable conservation practice. ม.ป.ท.:Silpakorn University,;Woralun Boonyasurat และ William S. Logan. The restoration of the Viharn Phra Chao Pun Ong (viharn of the one thousand buddhas) at Wat Pongsanuk, Lampang Province : a proposed model for sustainable conservation practice. ม.ป.ท.:Silpakorn University, 2009. Print.