Study of the External and Internal Morphology of Pisum sativum L., with Growth Hormones i.e., Indole-3-acetic Acid and Kinetin and Heavy Metal i.e., Lead Nitrate

Najma Yaqoob Chaudhry and Saima Rasheed

Pakistan Journal of Biological Sciences 6 ( 4 ): 407 - 412 , 2003