Puspaningtyas AR. Evaluation of the effect of red guava (<em>Psidium guajava</em>) fruit extract on tyrosinase (EC 1.14.18.1) activity by spectrophotometry. Int Curr Pharm J [Internet]. 2012 Apr. 7 [cited 2024 Sep. 18];1(5):92-7. Available from: https://banglajol.info/index.php/ICPJ/article/view/10280