1 Boelens, R.; Apollin, F. 1999. Irrigation in the Andean community: a social construction. Colombo, Sri Lanka: International Water Management Institute (IWMI). 44p. + Video.
2 Boelens, R.; Appollin, F. 1996. L'irrigation dans la communaute Andine: a une construction sociale. [Irrigation in the Andean community: a social construction]. Colombo, Sri Lanka: International Water Management Institute (IWMI). vi, 48p.