Pardo, J. E., Pérez, J. I., Andrés, M. and Alvarruiz, A. (2002) “Application of the hazard analysis and critical control point (HACCP) system in the processing line of virgin olive oil”, Grasas y Aceites, 53(3), pp. 309–318. doi: 10.3989/gya.2002.v53.i3.322.