B. V. et al. 1983. El Salvador in transition ; Personnel management. Initiation to industrial psychology ; Ways of raining ; Jesus Christ, catechumenate for university students, 1. ECA: Estudios Centroamericanos. 38, 411 (Jan. 1983), 91–97. DOI:https://doi.org/10.51378/eca.v38i411.8941.