Modern Concepts & Developments in Agronomy Marketing and Brand Authenticity Post COVID-19 Era Petros Gkogkos1* Dimitris Skalkos2 1Green Box Publications SA, 105 57 Athens, Greece 2Laboratory of Food Chemistry, Department University Ioannina 45110 Ioannina, *Corresponding author: Gkogkos, Submission: February 22, 2021Published: March 11, 2021 DOI: 10.31031/MCDA.2021.08.000683 ISSN 2637-7659Volum...