Food system integration of olive-oil-producing small farms in Southern Europe - Karanikolas, Pavlos; Martinez-Gomez, Victor; Galli, Francesca; Prosperi, Paolo; Hernández, Paola; Arnalte-Mur, Laura; Rivera, Maria; Goussios, Giannis; Fastelli, Laura; Oikonomopoulou, Elpiniki; Fonseca, Ana (2021)