[1]
PHOTHITAY, A., HOONGSANGPHA, S., SENGCHANH, S., PHONGSAVATH, P. and PHANLA, P. 2020. The study on the Willingness to pay for conserving historical site of domestic tourists: A case study on historical site of Hueanchan in Luang Prabang City, Lao PDR. Souphanouvong University Journal Multidisciplinary Research and Development . 6, 3 (Dec. 2020), 1456–1470.