TOOTOONCHI, AMIR SASAN, et al. “Differences in Omega-6 Omega-3 Ratio and Polyunsaturated Fatty Acid Content in Five Iranian Walnuts (Juglans Regia) Cultivars”. The Indian Journal of Agricultural Sciences, vol. 83, no. 2, Mar. 2013, https://doi.org/10.56093/ijas.v83i2.28004.