A.E.Yangiboyev, et al. “SIGIRLARNI TURLI USULDA OZIQLANTIRISHNING SUT MAHSULDORLIGIGA TA’SIRINI ANIQLASH ”. TADQIQOTLAR, vol. 64, no. 3, June 2025, pp. 285-92, https://scientific-jl.com/tad/article/view/22041.