K.Periyanayagam, S.Gopalakrishnan, and V.Karthikeyan. “PHYTOCHEMICAL INVESTIGATION AND PHARMACOGNOSTICAL STANDARDISATION OF THE LEAVES OF PSIDIUM GUAJAVA LINN- RED FLESHED VARIETY”. Innovare Journal Health Sciences, vol. 1, no. 3, Oct. 2013, pp. 22-25, https://mail.innovareacademics.in/journals/index.php/ijhs/article/view/419.