Investigating the kinetics at low temperature heat pump drying and conventional drying of osmotic dehydrated blueberriesHristov Hristo, Aleksandrov Svetoslav, Petrova Todorka, Ruskova Milena, Gotcheva Velitchka and Nikolay PenovE3S Web Conf., 327 (2021) 01015DOI: https://doi.org/10.1051/e3sconf/202132701015