Bhola, Harbans Singh Evaluatingfunctional literacy : H. S. Bhola. - Tehran, Iran. IIALM, 1979. - 163 p.; graf. - Literacy in development: a series of training monographs . ISBN: 0717508153 No. de Clasificación Universal Decimal: 37.014.22: 37.003. 12 =20 BHO