SAIED , A. J. I., and W. G. H. GULLI. “EFFECT OF HUMIC ACID, NUMBER OF CLUSTERS AND CULTIVARS ON GROWTH, FLOWERING AND YIELD OF TOMATO PLANT (Lycopersicon Esculantum L.) UNDER PLASTIC HOUSE CONDITIONS”. Journal of Duhok University, Vol. 22, no. s2, July 2020, pp. 1-14, doi:10.26682/cajuod.2020.22.2.1.