Mohamed, Seif. "Effect of metribuzin on growth, development, yield, quality, chlorophyll content of leaves and mineral composition of leaves and fruits of tomato (Lycopersicon esculentum Mill.) /." Doctoral dissertation, Ohio State University, 1978. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487081370609792Chicago Manual of Style (17th edition)