Alli Anirudhan. (1997). Environmental awareness in relation to achievement in biology of standard X pupils.
استشهاد بنمط شيكاغوAlli Anirudhan. Environmental Awareness in Relation to Achievement in Biology of Standard X Pupils. 1997.
MLA استشهادAlli Anirudhan. Environmental Awareness in Relation to Achievement in Biology of Standard X Pupils. 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.