KUMAR, SHAHIL, et al. “Inter- and Intra-Plant Variation in Phenol Content in Grains of Rice (Oriza Sativa Varieties Using Phenol Colour Reaction”. The Indian Journal of Agricultural Sciences, vol. 91, no. 6, Aug. 2021, pp. 943–945, https://doi.org/10.56093/ijas.v91i6.114306.