Alex OKELLO
BSc. (Mak), PGDE (Gulu), MSc Student (Mak)
Assistant lecturer,
Department of Physics, College of Natural Sciences,
Makerere University, P.O.Box 7062 Kampala
Tel: +256 414 531498
Mob: +256 782 834277
Email: aokello@physics.mak.ac.ug"> aokello@physics.mak.ac.ug