N. Puji Lestari and Widhiyo Sudiyono, “Strengthening the Family Economy with Assistance in Marketing and Processing of Cassava Chips in Wonokerto Village Trenggalek, Indonesia: Penguatan Ekonomi Keluarga dengan Pendampingan Pemasaran dan Pengolahan Kripik SIngkong di Desa Wonokerto Trenggalek, Indonesia”, Ind. Jour. Cul. Comm. Dev, vol. 9, p. 10.21070/ijccd2021705, Jun. 2021.