Kumar De, Arnab, Indraneel Saha, Bipul Sarkar, Narottam Dey, and MK Adak. “Azolla Pinnata R.Br.: A Fern Species That Demonstrates Satisfactory Invitro Antioxidation under Herbicidal Toxicity”. Annals of Tropical Research 40, no. 1 (May 29, 2018): 18–34. Accessed December 5, 2025. https://atr.vsu.edu.ph/article/view/135.