Authors
C. Eevon
Physics Department, Faculty of Science, University Putra Malaysia (UPM), Serdang, Malaysia
M.K. Halimah
Physics Department, Faculty of Science, University Putra Malaysia (UPM), Serdang, Malaysia
M.N. Azlan
Physics Department, Universiti Pendidikan Sultan Idris, Tanjong Malim, Malaysia
R. El-Mallawany
Department of Physics, Faculty of Science, Menofia University, Egypt
S.L. Hii
Physics Department, Faculty of Science, University Putra Malaysia (UPM), Serdang, Malaysia