“…For more details we refer to Al-Omari and Kilicman (2012a,b, 2013), Al-Omari (2013a,b,c), Beardsley and Mikusinski (2013), Bhuvaneswari and Karunakaran (2010), Boehme (1973), Ganesan (2010), Karunakaran and Ganesan (2009), Angeline Chella (2011), Loonker and, , Mikusinski (1987Mikusinski ( , 1983Mikusinski ( , 1995, Nemzer (2010Nemzer ( , 2007, Roopkumar (2009), Srivastava and Singh (1985) and Roopkumar (2009), and many others.…”