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Thursday, January 8, 2026

Environmental Module Book (Sinhala) of NAFSO-YMESOC

Environmental Module Book (Sinhala) of NAFSO-YMESOC by pradeeplaksiri

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Disaster Mitigationa Module Book (Sinhala) NAFSO-YMESOC

Disaster Mitigationa Module Book (Sinhala) NAFSO-YMESOC by pradeeplaksiri