Technological and socio-economic analysis of the local production system of the pink Zaragoza bean (Phaseolus vulgaris L.) in the Caribbean of Colombia di Martínez-Reina, Antonio María, Grandett-Martínez, Liliana María, Tordecilla-Zumaqué, Lilibet, Rodríguez-Pinto, María del Valle, Cordero-Cordero, Carina Cecilia, Tofiño-Rivera, Adriana Patricia