Vasantha Ramkumar,Guide, & Agasa K S M N(Sr Mary Lucita). (1998). Effects Of Noise Level In School Environment On Achievement, Psychological Adjustment And Health Conditions Of Secondary School Pupils. Dept of Education,University of Kerala.
শিকাগো স্টাইলে সাইটেশনVasantha Ramkumar,Guide, এবং Agasa K S M N(Sr Mary Lucita). Effects Of Noise Level In School Environment On Achievement, Psychological Adjustment And Health Conditions Of Secondary School Pupils. Thiruvananthapuram: Dept of Education,University of Kerala, 1998.
এমএলএ সাইটেশনVasantha Ramkumar,Guide, এবং Agasa K S M N(Sr Mary Lucita). Effects Of Noise Level In School Environment On Achievement, Psychological Adjustment And Health Conditions Of Secondary School Pupils. Dept of Education,University of Kerala, 1998.