* الخضار* [http://www.hort.purdue.edu/rhodcv/hort410/genint/ge00001.htm] Introduction to Olericulture by the Department of Horticulture and Landscape Architecture, Purdue University.
* Vegetable==References==* [http://www.hort.purdue.edu/rhodcv/hort410/genint/ge00001.htm] Introduction to Olericulture by the Department of Horticulture and Landscape Architecture, Purdue University.