Pema. และ Wangchuk. (2008) The Effects of environment quality, interaction quality, outcome quality, and relationship quality on customer loyalty in banking industry in Bhutan. University of the Thai Chamber of Commerce:ม.ป.ท.Pema. และ Wangchuk. 2008. The Effects of environment quality, interaction quality, outcome quality, and relationship quality on customer loyalty in banking industry in Bhutan. ม.ป.ท.:University of the Thai Chamber of Commerce;Pema. และ Wangchuk. The Effects of environment quality, interaction quality, outcome quality, and relationship quality on customer loyalty in banking industry in Bhutan. ม.ป.ท.:University of the Thai Chamber of Commerce, 2008. Print.