Oscillations and Waves (දෝලන හා තරංග ) Unit 03 - DAY02-PART 01

[@ky41milandulanjana77]

thank u sir

[@navindunethmina3594]

Godak sthuthi sir.

[@bineshasilva5504]

Sir ඉතුරු tikath denna

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SIR PULUVANNAM 10 VASARE 11 VASARE PADAM SERIOS EKAK KARANNAKO

[@malithimethsarani6953]

Thank you sir