S. J. . Alaba, M. A. . Alampayan, J. A. . Bayron, M. R. . Cabalida, C. R. . . Sonoron, and R. R. . Bangalisan, LPT, MRIEdr., “A Proposed Subway Metro Train as a Public Transport in Metro Manila”, AASgBCPJMRA, vol. 1, no. 1, Apr. 2019.