FINDEISEN, Dušana. Driekant pomeni trikotnik. Andragoška spoznanja, Ljubljana, SI, v. 5, n. 1, p. 97–99, 1999. DOI: 10.4312/as.5.1.97-99. Disponível em: https://journals.uni-lj.si/AndragoskaSpoznanja/article/view/6758. Acesso em: 6 dec. 2024.