1. Achakzai, A. K. K., Achakzai, P., Masood, A., et al. (2009). Response of plant parts and age on the distribution of secondary metabolites on plants found in quetta. Pakistan Journal of Botany, 41, 2129–2135.
2. Agostini-Costa, T. S., Vieira, R. F., Bizzo, H. R., et al. (2012). Secondary metabolites. In S. Dhanarasu (Ed.), Chromatography and its applications (pp. 131–164). InTech.
3. Bag, P., Chukhutsina, V., Zhang, Z., Paul, S., & Ivanov, A. G. (2020). Direct energy transfer from photosystem II to photosystem I confers winter sustainability in Scots Pine. Nature Communications, 11(1), 6388.
4. Bergmeyer, H. U. (1974). Methods of enzymatic analysis. Academic Press.
5. Blokhina, O., Virolainen, E., & Fagerstendt, K. V. (2003). Antioxidants, oxidative damage and oxygen deprivation stress. Annals of Botany, 91, 179–194.