TY - BOOK AU - Griffiths, V L TI - An Experiment in education: an account of the attempts to improve the lower stages of boys education in the Anglo-Rgyotian Sudan,1930-1950 U1 - 370 21st PY - 1953/// CY - London PB - Longmans Green KW - Education, Elementary; Education, Elementary-Aims and objectives; Educational-Experimental methods ER -