Asuncion, N.S.M., Glova, A.J.M., Martin, J.M.L., Manzan, L.V. and Pagtaconan, W.C.R. 2016. SignApp: An Assistive Tool for Learners with Hearing Impairment. Asia Pacific Higher Education Research Journal (APHERJ). 3, 2 (Dec. 2016). DOI:https://doi.org/10.56278/apherj.v3i2.285.