1. Ahlatcioglu, M., Sivri, M., Guzel, N.: Transportation of the fuzzy amounts using the fuzzy cost. J. Marmara Pure Appl. Sci. 18, 141–157 (2002)
2. Antony, R., Savarimuthu, S., Pathinathan, T.: Method for solving the transportation problem using triangular intuitionistic fuzzy number. Int. J. Comput. Algorithm 03, 590–605 (2014)
3. Arsham, H., Khan, A.: A simplex type algorithm for general transportation problems-an alternative to stepping stone. J. Oper. Res. Soc. 40(6), 581–590 (2017)
4. Atanassov, B.: Quantitative Methods in Business Management. Publ. house TedIna, Varna (1994).(in Bulgarian)
5. Atanassov, K.T.: Intuitionistic fuzzy sets, VII ITKR Session, Sofia, 20–23 June 1983 (Deposed in Centr. Sci.-Techn. Library of the Bulg. Acad. of Sci., 1697/84) (in Bulgarian). Reprinted: Int. J. Bioautomation 20(S1), S1–S6 (2016)