The Village Entrepreneurship Program (Wira Desa) of the Directorate of Learning and Student Affairs of the Ministry of Education, Culture, Research, and Technology is an entrepreneurship program.

Cassava plants are often found in tropical countries. One of the areas that cultivate cassava is Kesugihan, Cilacap district. This has encouraged many Kesugihan people to process cassava into various processed products that have a high taste, one of which is opak.