Rosli, M.K.A.M., Rus, A.K.A.M. and Mansor, S. 2023. The electrification of the tin mining in Kinta Valley: Role of Perak River Hydroelectric Power Company (1927‒1940). History of science and technology. 13, 2 (Dec. 2023), 376-398. DOI:https://doi.org/10.32703/2415-7422-2023-13-2-376-398.