saxena vasundhara, Yadav G. A Study on Quantitative Estimation of Tannins in Mussaenda Erthyrophylla using Spectrophotometer. IJPER [Internet]. 9Feb.2023 [cited 28Jun.2025];4(02):18-19. Available from: https://www.ijper.in/index.php/IJPER/article/view/160