Jayawardana, KPSR; Athukorala, DRM; Chathuranga, HMD; Chrishoban, M; Sampath, JAB; Hemalal, PVA; Dharmaratne, PGR; Premasiri, HMR; Chaminda, SP; Wickrama, MADMG
[Conference-Full-text]
Royalty is a payment made to the owner of mineral rights for the privilege of
extracting minerals from the ground on a lease agreement. Globally, there are three
main methods used for the royalty calculation; namely unit ...