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  • Eng. P.V.A. Hemalal

Eng. P.V.A. Hemalal (Personal Name)

Preferred form: Eng. P.V.A. Hemalal

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Work cat.: ()164492: Hettiwatte, Manil Chathuranga 14549, Optimization of Sri Lankan underground graphite mining methods, from a view point of rock mechanics and cost, [2014]

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