The impact of technical assistance on the performance of agricultural production units in Colombia: a comparative analysis

od Rodríguez Arias, Carlos A, Arrieta Valderrama, Edwin Javier, Álvarez Barranco, Alba Luz, Rodríguez Arias, Carlos A, Arrieta Valderrama, Edwin Javier, Álvarez Barranco, Alba Luz
Wydane 2020