About the Authors

Ezekiel Amri

Department of Science and Laboratory Technology, Dar es Salaam Institute of Technology, P. O. Box 2958, Dar es Salaam, Tanzania

Saning’o Lenoi

Department of Science and Laboratory Technology, Dar es Salaam Institute of Technology, P. O. Box 2958, Dar es Salaam, Tanzania

Corresponding Author

Email: ezekielamri@yahoo.com