A A&L ISSN 2309-0898 Rajshahi University Journal of Arts & Law. Vol.42, 2014 A A&L ISSN 2309-0898 Rajshahi University Journal of Arts & Law. Vol.43, 2015 A A&L ISSN 2309-0898 Rajshahi University Journal of Arts & Law. Vol.44, 2016 A A&L ISSN 2309-0898 Rajshahi University Journal of Arts & Law. Vol.46, 2018 B S&E ISSN 2309-0952 Rajshahi University Journal of Science and Engineering. Vol.45, 2017 B S&E ISSN 2309-0952 Rajshahi University Journal of Science. Vol.38-39, 2010-11 C SSBS ISSN 2309-0944 Rajshahi University Journal of Social Science and Business Studies V. 26, 2018