Amarnath Kumar Thakur, Gopal Krishna Singh, Anjali Dubey 2022. Approximation of conjugate function related to Lipschitz and weighted class by product summability. Turkish Journal of Computer and Mathematics Education (TURCOMAT). 13, 2 (Mar. 2022), 346–353. DOI:https://doi.org/10.17762/turcomat.v13i2.12233.