Alzahrani, E. and Welham, K. 2014. Optimization preparation of the biosynthesis of silver nanoparticles using watermelon and study of itsantibacterial activity. International Journal of Basic and Applied Sciences. 3, 4 (Sep. 2014), 392–400. DOI:https://doi.org/10.14419/ijbas.v3i4.3358.