Boudjabi, S. 2020. EFFECT OF SEWAGE SLUDGE ON SOIL FERTILITY AND ON THE NUTRITIONAL QUALITY OF DURUM WHEAT (TRITICUM DURUM, WAHA VARIETY). Journal of Fundamental and Applied Sciences. 12, 3 (Jul. 2020), 1067–1089. DOI:https://doi.org/10.4314/jfas.v12i3.5.