Ponce, J. C., & Navarra, N. L. (2015). Beyond sight: Enhancing human echolocation for the visually impaired through the development of urban public spaces. College of Architecture, University of the Philippines Diliman.

Ponce, Joyceleigh C., and Nappy L. Navarra. Beyond Sight: Enhancing Human Echolocation for the Visually Impaired Through the Development of Urban Public Spaces. Quezon City: College of Architecture, University of the Philippines Diliman, 2015.

Ponce, Joyceleigh C., and Nappy L. Navarra. Beyond Sight: Enhancing Human Echolocation for the Visually Impaired Through the Development of Urban Public Spaces. College of Architecture, University of the Philippines Diliman, 2015.