In 1927, General Yang Sen invited Li Qingyun to Wanxian, China, to teach about health and longevity. Li Qingyun was reported to be 250 years old at the time, and his visit to Wanxian was big news. In
Multiple criteria decision making tools have been developing at an extremely rapid pace over the last few years. This work explores the nature of the pursuit, using the authors extensive experience in
