Ariyarathne, RCDK; Samaraweera, SACV; Maduwantha, LSE; Insaf, MJM; Hemalal, PVA; Illankoon, IMTN; Dharmaratne, PGR; Chaminda, SP; Lasantha, MML
[Conference-Full-text]
In Sri Lanka, Geological Survey and Mines Bureau (GSMB) imposed royalty levy for
aggregate production volume using an equation (indirect method) which utilises the
quantity of explosives for the calculation. Since the ...