How to calculate electricity bill
Easy to learn Science through poems...
JJW Science
Science & English Teacher- Jeewan Jayashantha (B.Sc.sp / Dip. in English / Gov. School Teacher)
Негізгі бет විදුලි ඒකක ගණනය කිරීම - O/L Science
How to calculate electricity bill
Easy to learn Science through poems...
JJW Science
Science & English Teacher- Jeewan Jayashantha (B.Sc.sp / Dip. in English / Gov. School Teacher)
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