Relawati, Rahayu, Ariadi, Bambang Yudi, Bakhtiar, Ary, AND Minasyan, Sona. " The Changes of Household Food Expense During COVID-19 Pandemic: A Case Study in Indonesia and Armenia" SOCA: Jurnal Sosial Ekonomi Pertanian [Online], Volume 15 Number 2 (19 June 2021)