Hybrid Reality Games Reframed: Potential Uses in Educational Contexts. - Adriana de Souza e Silva; Girlie Delacruz (Games Cult., 2006)

Play and Augmented Reality in Learning Physics: The SPASES Project. - Noel Enyedy; Joshua A. Danish; Girlie Delacruz; Melissa Kumar; Sylvia Gentile (CSCL, 2011)

Learning physics through play in an augmented reality environment. - Noel Enyedy; Joshua A. Danish; Girlie Delacruz; Melissa Kumar (Int. J. Comput. Support. Collab. Learn., 2012)