An optimization method to solve a fully intuitionistic fuzzy non-linear separable programming problemKirti Sharma, Vishnu Pratap Singh, Bhavin Poojara, Ali Ebrahimnejad and Debjani ChakrabortyRAIRO-Oper. Res., 57 6 (2023) 3117-3139DOI: https://doi.org/10.1051/ro/2023152