1. Government of India swachh bharat mission (2016). Municipal solid waste management manual-Part I. Central Public Health and Environmental Engineering Organisation (CPHEEO). moud.gov.in.
2. Government of India swachh bharat mission (2016). Municipal solid waste management manual-Part II. Central Public Health and Environmental Engineering Organisation (CPHEEO). moud.gov.in.
3. Fuzzy sets;Zadeh;Information and Control,1965
4. Intuitionistic fuzzy sets;Atanassov;Fuzzy Sets and Systems,1986
5. Generalized orthopair fuzzy sets;Yager;IEEE Transactions on Fuzzy Systems,2017