Saturday, 31 August 2019

Atomic structure(පරමාණුක ව්‍යුහය)_part_2_ආවර්තිතාව



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Atomic structure(පරමාණුක ව්‍යුහය)_part_1



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Friday, 30 August 2019

Mechanics(යාන්ත්‍ර විද්‍යාව)_part_3_hydronimica



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Mechanics(යාන්ත්‍ර විද්‍යාව)_part_2_circular motion



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Physics practicle book



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Bio practicle book



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