5,178 Nurul Nadia Binti Ya'akob 2019-05-31 https://books.google.com.my/books?id=tCydcW6MK60C&pg=PA298&lpg=PA298&dq=coix+lacryma-jobi+optimal+annual+rainfall&source=bl&ots=ZvLraCommI&sig=ACfU3U2aD8DHGk0iKF2PMM1tC8DP4Ej7Ag&hl=en&sa=X&ved=2ahUKEwiW3fnCm8XiAhUEmuYKHSuVAQg4ChDoATAEegQICRAB#v=onepage&q=coix%20lacryma-jobi%20optimal%20annual%20rainfall&f=false Online-Book-Food & Agriculture Org. - Tropical Grasses. Amber Global https://www.monaconatureencyclopedia.com/coix-lacryma-jobi/ Website-Monaco Nature Encyclopedia - Coix lacryma-jobi. http://tropical.theferns.info/viewtropical.php?id=Coix+lacryma-jobi Database-Useful Tropical Plants - Coix lacryma-jobi.