Robbi, Ilham, and Lia. U. Farida. “KONTRAKSI EKSPOR IMPOR SELAMA PANDEMI COVID-19 DI INDONESIA (STUDI KASUS DATA PANEL 34 PROVINSI)”. Buletin Ilmiah Litbang Perdagangan, vol. 17, no. 1, July 2023, doi:10.55981/bilp.2023.10.