Widari, Nyoman, 		Badriyah, Badriyah, AND 		Kunhadi, Dedy Kunhadi.
" Workshop and Mentoring of Product Preservation and Marketing For Food and Beverage SMEs in Gresik Regency" <em>Kontribusia : Research Dissemination for Community Development</em> [Online], Volume 2 Number 1 (21 February 2019)