Indrasari, L.D. and Komari, A. 2021. Value Chain Analysis and Supply Chain of Layang Fishing Prigi Fish Auction Trenggalek Regency, East Java Indonesia. Journal of Research and Technology. 7, 1 (Jun. 2021), 17–26. DOI:https://doi.org/10.55732/jrt.v7i1.297.