Allen Tough – raziskovalec učenja in spreminjanja odraslih ter vizionar. Andragoška spoznanja, Ljubljana, SI, v. 21, n. 3, p. 99–105, 2015. DOI: 10.4312/as.21.3.99-105. Disponível em: https://journals.uni-lj.si/AndragoskaSpoznanja/article/view/4740.. Acesso em: 29 may. 2024.