دیوان۔ "What is physiology?". biology.cam.ac.uk ( اَنگیٖزۍ زَبانہِ مَنٛز). University of Cambridge, Faculty of Biology. 16 February 2016. Retrieved 2018-07-07
ہنٛد سطحس پؠٹھ یا صرف بۄن تیرتھ۔ Sculthorpe، Cyril Duncan (1985). The Biology of Aquatic Vascular Plants. Koeltz Scientific Books. ISBN 978-3-87429-257-3