Sreeraj K G. (1997). A study of errors committed by the pupils in the basic arithmetic skills in secondary schools in Pathanamthitta District.
استشهاد بنمط شيكاغوSreeraj K G. A Study of Errors Committed by the Pupils in the Basic Arithmetic Skills in Secondary Schools in Pathanamthitta District. 1997.
MLA استشهادSreeraj K G. A Study of Errors Committed by the Pupils in the Basic Arithmetic Skills in Secondary Schools in Pathanamthitta District. 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.