Prabha N. An exploratory study into the learning ability of a group of defective children - - Bangalore Dept. of Clinical Psychology,AIIMH 1968 - 57 p. 29 cm. - . Diploma in M & SP Mental Retardation, Learning, Psychology,Clinical Subjects--Topical Terms: Mental RetardationPsychology,ClinicalLearning Dewey Class. No.: A2.1 / PRA