Khidhir Kamil, Jaya Kumar, Muhammad Dain Yazid & Ruszymah Binti Haji Idrus.  (2018).  Olive and its phenolic compound as the promising neuroprotective agent.  - Sains Malaysiana.  . 

Chong Siew Koon, Hatta Sidi, Jaya Kumar, Ong Wan Xi, Srijit Das, Muhammad Hizri Hatta and Cesar Alfonso.  (2018).  The Phosphodiasterase 5-Inhibitors (PDE-5i) for Erectile Dysfunction (ED): A Therapeutic Challenge For Psychiatrists.  - Current Drug Targets.  1366-1377. 

Jayakumar, Hermizi Hapidin, Yvonne Tee Get Bee, Zalina Ismail.  (2016).  The effects of acute ethanol administration on ethanol withdrawal-induced anxiety-like syndrome in rats: A biochemical study.  - Alcohol.  9-17.