R H Amina, Jollykutty Eapen, M S Deepa, and M Navas, “Pharmacognostic standardisation of Vanya (wild) and Gramya (cultivated) forms of Amalaki fruit (Emblica officinalis Gaertn.)”, J. of Trad. Folk Pract., vol. 5, no. 1, Jun. 2017.