M. Rith, J. L. . Soliman, N. S. A. . Lopez, A. M. Fillone, and J. B. M. Biona, “Development of small area population estimation models for a developing, densely populated metropolitan area and its applications: A case study of Metro Manila”, Eng Appl Sci Res, vol. 47, no. 2, pp. 206–215, Jun. 2020.