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

מאת Rodríguez Arias, Carlos A, Arrieta Valderrama, Edwin Javier, Álvarez Barranco, Alba Luz, Rodríguez Arias, Carlos A, Arrieta Valderrama, Edwin Javier, Álvarez Barranco, Alba Luz
יצא לאור 2020