The effect of teaching the five-numeral system on the understanding of students of the third, fourth and fifth grades of primary education of the decimal number system

zahran, A. (1992). The effect of teaching the five-numeral system on the understanding of students of the third, fourth and fifth grades of primary education of the decimal number system. المجلة التربوية لکلية التربية بسوهاج, 7(7), 79-105. doi: 10.21608/edusohag.1992.130740

abdelazem zahran. "The effect of teaching the five-numeral system on the understanding of students of the third, fourth and fifth grades of primary education of the decimal number system", المجلة التربوية لکلية التربية بسوهاج, 7, 7, 1992, 79-105. doi: 10.21608/edusohag.1992.130740

zahran, A. (1992). 'The effect of teaching the five-numeral system on the understanding of students of the third, fourth and fifth grades of primary education of the decimal number system', المجلة التربوية لکلية التربية بسوهاج, 7(7), pp. 79-105. doi: 10.21608/edusohag.1992.130740

zahran, A. The effect of teaching the five-numeral system on the understanding of students of the third, fourth and fifth grades of primary education of the decimal number system. المجلة التربوية لکلية التربية بسوهاج, 1992; 7(7): 79-105. doi: 10.21608/edusohag.1992.130740