APA استشهاد

Krishna Kumar P.V. (1993). Interaction effect of some effective variables on achievement in mathematics of secondary school pupils of Kerala.

استشهاد بنمط شيكاغو

Krishna Kumar P.V. Interaction Effect of Some Effective Variables on Achievement in Mathematics of Secondary School Pupils of Kerala. 1993.

MLA استشهاد

Krishna Kumar P.V. Interaction Effect of Some Effective Variables on Achievement in Mathematics of Secondary School Pupils of Kerala. 1993.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.