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2019 O/L Aquatic Bioresources Technology (Sinhala medium)

2019 සාමාන්‍ය පෙළ ජලජ ජීවීසම්පත් තාක්ෂණවේදය ප්‍රශ්න පත්‍රය·2019 சாதாரண தர நீருயிரினவளத் தொழினுட்பவியல் வினாத்தாள்

Also searched as: jalaja jaiva sampath thakshanaya

G.C.E. Ordinary Level (O/L)Sinhala
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