Zhuang, Zheng-Yun, et al. “The Effectiveness of IF-MADM (intuitionistic-Fuzzy Multi-Attribute Decision-Making) for Group Decisions: Methods and an Empirical Assessment for the Selection of a Senior Centre”. Technological and Economic Development of Economy, vol. 25, no. 2, Feb. 2019, pp. 322-64, https://doi.org/10.3846/tede.2019.8399.