Reetika Sharma, et al. “Synergistic Impact of Vermicompost, Biochar and Jaggery on Antioxidants, Phenols and Flavonoids in Guava Cv. L-49”. BioResources, vol. 19, no. 4, Sept. 2024, pp. 8173-87, https://ojs.bioresources.com/index.php/BRJ/article/view/23863.