NATROSHVILI , D.; LOMISHVILI, Maia. Determining the Optimal Sowing Frequency and Sowing Norm of Cereal Crops . American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 78, n. 1, p. 73–82, 2021. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/6169. Acesso em: 22 sep. 2025.