A New Test of Discordancy in Circular Data. - Ali Hassan Abuzaid; Ibrahim B. Mohamed; Abdul G. Hussin (Commun. Stat. Simul. Comput., 2009)

Statistics for a New Test of Discordance in Circular Data. - Ali Hassan Abuzaid; Abdul G. Hussin; A. Rambli; Ibrahim B. Mohamed (Commun. Stat. Simul. Comput., 2012)

Boxplot for circular variables. - Ali Hassan Abuzaid; Ibrahim B. Mohamed; Abdul G. Hussin (Comput. Stat., 2012)

Outlier Detection in a Circular Regression Model Using COVRATIO Statistic. - Safwati Ibrahim; A. Rambli; Abdul G. Hussin; Ibrahim B. Mohamed (Commun. Stat. Simul. Comput., 2013)

A New Discordancy Test in Circular Data Using Spacings Theory. - Ibrahim B. Mohamed; A. Rambli; N. Khaliddin; Adriana Irawati Nur Ibrahim (Commun. Stat. Simul. Comput., 2016)