Department of Business Management, Wayamba University of Sri Lanka, Kuliyapitiya
Department of Zoology, University of Sri Jayawardenepura, Nugegoda
Postgraduate Institute of Agriculture (PGIA), University of Peradeniya, P.O. Box 55, Old Galatia Road, Peradeniya,
Sri Lankan Journal of Applied Statistics, The Institute of Applied Statistics, Sri Lanka, 2nd Floor, OPA Building, 275/75, Prof. Stanley Wijesundera Mawatha, Colombo 07
No 29, De Saram Place , Colombo 10 , Sri Lanka