Karzan Rashid Hamad, and Ako Hussein Mahmood. 2022. “Influence of Watering Periods and Organic Fertilizer on Seedling Growth and Development of Two Species of Oak Tree; Quercus Aegilops and Quercus Libani”. Zanco Journal of Pure and Applied Sciences 34 (6):135-42. https://doi.org/10.21271/ZJPAS.34.6.15.