Los puntos clave no están disponibles para este artículo en este momento.
(1969). The use of folk songs in education: Some examples of the use of folk songs in the teaching of history, geography, economics and English literature. The Vocational Aspect of Education: Vol. 21, No. 49, pp. 89-94.
Eric P. Johnson (Sun,) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: