Exemmal J,Guide, & K A Andrew. (2007). Effectiveness Of Field Study Method For Teaching Biological Science At Secondary Level. Dept of Education,University of Kerala.
শিকাগো স্টাইলে সাইটেশনExemmal J,Guide, এবং K A Andrew. Effectiveness Of Field Study Method For Teaching Biological Science At Secondary Level. Thiruvananthapuram: Dept of Education,University of Kerala, 2007.
এমএলএ সাইটেশনExemmal J,Guide, এবং K A Andrew. Effectiveness Of Field Study Method For Teaching Biological Science At Secondary Level. Dept of Education,University of Kerala, 2007.
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