Development of two-stage alkaline refining of oils obtained from low-grade cotton seeds using caustic soda, sodium silicate and microwave radiationAzimjon Akhmedov, Eldor Rakhmatov and Dilfuza RajabovaE3S Web Conf., 264 (2021) 02058DOI: https://doi.org/10.1051/e3sconf/202126402058