Musina, Valentina E., Andrey P. Peresypkin, Galina V. Makotrova, Irina A. Shumakova, y Natalia L. Shekhovskaya. 2018. «El Problema De Establecer Metas Educativas: De Sócrates a B. Bloom». Amazonia Investiga 7 (14):119-27. https://www.amazoniainvestiga.info/index.php/amazonia/article/view/477.