http://bari.portal.gov.bd/sites/default/files/files/bari.portal.gov.bd/page/dff6cca4_a440_403a_a7e6_b50f4d3ed2f0/Amer%20Adhunik%20Chashabad%20%26%20Biponon%20Kousol.pdf
উত্তর সমূহ
http://bari.portal.gov.bd/sites/default/files/files/bari.portal.gov.bd/page/dff6cca4_a440_403a_a7e6_b50f4d3ed2f0/Amer%20Adhunik%20Chashabad%20%26%20Biponon%20Kousol.pdf
http://bari.portal.gov.bd/sites/default/files/files/bari.portal.gov.bd/page/dff6cca4_a440_403a_a7e6_b50f4d3ed2f0/Amer%20Adhunik%20Chashabad%20%26%20Biponon%20Kousol.pdf