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Adu Gyamfi Jouranl On Mining

Adu-Gyamfi, E. (2014). The effect of illegal mining on school attendance and academic performance of junior high school students in Upper Denkyira West District of Ghana. Journal of Education & Human Development, 3, 523 – 545. Google Scholar Our main products include crushing equipment, sand making equipment, beneficiation equipment, grinding equipment and building materials equipment, welcome to purchase;

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