A. A. Obaid

Effect of planting density, foliar spraying and overlapping system on the growth and productivity using soilless culture system

H. H. Al-Alawy, N. Khalil, Alaa Hasan Fahmi, 2022, Journal of the Saudi Society of Agricultural Sciences.

Zinc Tolerance and Accumulation in Aspergillus oryzae Penicillium citrinum and Rhizopus stolonifer isolated from Saudi Arabian Soil

A. R. Hashem, A. A. Obaid, 1997 .