Krupych О. ., Semen Я. ., Krupych С. ., Levko С., and Burtak В. . “Size and Mass Indices of Walnuts During the Harvesting Period”. Bulletin of Lviv National Environmental University. Series Agroengineering Research, no. 24, Apr. 2023, pp. 5-12, doi:10.31734/agroengineering2020.24.005.