N. P. Ravindra Deyshappriya, A. A. Idroos, U. G. O. Sammani
DOI:
10.9734/sajsse/2019/v4i330130
Page: 1-13
Emem Bassey Inyang, William Okon Williams
DOI:
10.9734/sajsse/2019/v4i430131
Page: 1-13
O. K. R. de Silva, M. P. S. R. Perera, G. D. D. T. Karunarathne
DOI:
10.9734/sajsse/2019/v4i430132
Page: 1-10
Pham Thi Anh, Nguyen Thi Bao Ngoc
DOI:
10.9734/sajsse/2019/v4i430133
Page: 1-10
Manoj Kumar Thapa Magar, Ramanand Pandit, Ayuska Parajuli, Ashok Pandey
DOI:
10.9734/sajsse/2019/v4i430134
Page: 1-5