S.Manimaran, S.Kokila Vani, P.Jeevan Prasath, C.Manojkumar, C.Singaravelan, L.Monisha, G.Arunachalam, R. Joseph Sahaya Raja and R.Prasath (2022) “Geographical Variation Studies of Emblica officinalis Using Gallic Acid as Analytical Marker by HPLC Technique”, International Journal of Pharmacy and Analytical Research, 10(4), pp. 382–387. doi: 10.61096/ijpar.v10.iss4.2021.382-387.