Wijianto W, Ulfah IF, Mustoffa AF. Ketahanan UMKM Frozen Food “Wisna Fresh” Kabupaten Ponorogo Melintasi Pandemi Covid 19. ab [Internet]. 2021 Dec. 15 [cited 2024 Jul. 3];17(2):343-55. Available from: https://journal.iaingorontalo.ac.id/index.php/ab/article/view/2339