A preliminary study on the effect of temperature and carbon deposit on the reactivity of alumina during hydrocarbon oxidation

by Alba, Nelson, Ngo, Stanley, Sy, Alvin
Published 1996

Autonomous mobile robot navigation using global positioning system

by Chua, Lorenz Arvin C., Lu, Wesley Kaiser K., Sy, Alvin Kennedy L., Tañagras, Rolan L.
Published 2008