Khalil, Khalid, & Younis H. Suleman.
" Scarification in Acetic Acid, Hot Water, and Cold Sand Stratification to Improve Carob (Ceratonia Siliqua L.) Seed Germination." <em>Tikrit Journal for Agricultural Sciences مجلة تكريت للعلوم الزراعية</em> [Online], 19.1 (2019): 118-125. Web. 14 Aug. 2021