Wijianto W, Ulfah IF, Mustoffa AF. KETAHANAN UMKM FROZEN FOOD “WISNA FRESH” KABUPATEN PONOROGO MELINTASI PANDEMI COVID 19. ab [Internet]. 15 Desember 2021 [dikutip 11 November 2026];17(2):343-55. Tersedia pada: https://journal.iaingorontalo.ac.id/index.php/ab/article/view/2339