Zamir, Roshan, et al. “STUDIES ON IN VITRO SURFACE STERILIZATION AND ANTIOXIDANTS ON GUAVA SHOOT TIPS AND NODAL EXPLANTS”. Pakistan Journal of Biotechnology, vol. 1, no. 2, Dec. 2004, pp. 12-16, https://pjbt.org/index.php/pjbt/article/view/148.