Brigadier General Md Zahedur Rahman, ndc, psc. “CONCEPT OF COLLECTIVE SECURITY FOR SOUTH ASIA: ANALYSIS AND RECOMMENDATIONS”. NDC E-JOURNAL, vol. 13, no. 2, Dec. 2014, pp. 1-18, https://ndcjournal.ndc.gov.bd/ndcj/index.php/ndcj/article/view/122.