Jumaa, Ruya, & Dawood Salman Madab. " Estimation Genetic Diversity by Using Cluster, D2 and Principle Component Analysis of Maize Inbred Lines (Zea mays L.)." Tikrit Journal for Agricultural Sciences مجلة تكريت للعلوم الزراعية [Online], 18.4 (2018): 39-50. Web. 14 Aug. 2021