Luta, R. B. G., Ong, A. C. L., Lao, S. J. C., Baldovino, R. G., Bugtai, N. T., & Dadios, E. P. (2017). A noncontact pH level sensing indicator using computer vision and knowledge-based systems. Animo Repository.

Luta, Raphael Benedict G., Anthony Christopher L. Ong, Selwyn Jenson C. Lao, Renann G. Baldovino, Nilo T. Bugtai, و Elmer P. Dadios. A Noncontact PH Level Sensing Indicator Using Computer Vision and Knowledge-based Systems. Animo Repository, 2017.

Luta, Raphael Benedict G., et al. A Noncontact PH Level Sensing Indicator Using Computer Vision and Knowledge-based Systems. Animo Repository, 2017.