Rossdy, M. , Omar, R. and Soh, S.C. 2023. Bi-Univalent Function Classes Defined by Using an Einstein Function and a New Generalised Operator. Science and Technology Indonesia. 8, 2 (Apr. 2023), 195–204. DOI:https://doi.org/10.26554/sti.2023.8.2.195-204.