1. Ampong-Nyarko, K., & Datta, S.K.D. (1991). A handbook for weed control in rice. Int. Rice Res. Inst.
2. The economic impact of weeds in Australia;Sinden,2004
3. An economic comparison of weed management systems used in small-scale organic vegetable production;Brown;Org. Agric.,2019
4. The Importance of Early Season Weed Control. (2019, January 15). CropWatch. https://cropwatch.unl.edu/2019/importance-early-season-weed-control.
5. Competition between purple nutsedge and vegetables;William;Weed Sci.,1975