M. A. A. . Abdrabbo, A. A. A. . Mohamed, F. A. . Hashem, and A. S. A. Hegab, “Economic Profitability of Sweet Pepper Production under Different Irrigation Levels and Polyethylene Mulch in a Plastic Greenhouse”, APSTRACT, vol. 12, no. 3-4, pp. 109–116, Dec. 2018, doi: 10.19041/APSTRACT/2018/3-4/13.