Geometric Control of Rational Cubic Curve. - Azhar Ahmad; Jamaludin Md. Ali (CGIV, 2004)

G2 Transition curve using Quartic Bezier Curve. - Azhar Ahmad; Rudrusamy U. Gobithaasan; Jamaludin Md. Ali (CGIV, 2007)

G3 Transition Curve Between Two Straight Lines. - Azhar Ahmad; Jamaludin Md. Ali (CGIV, 2008)

Characterization of Planar Cubic Alternative curve - Azhar Ahmad; Rudrusamy U. Gobithaasan; Jamaludin Md. Ali (CoRR, 2013)