“…These have covered MCDA techniques for everything from maintaining or improving internal mining processes, such as described in Musingwini [24], to MCDA methods for balancing various factors similar to our approach, c.f., Stralka et al [25], Gelvez et al [26], Esteves [27], Betriea et al [28], and Erzurumlua et al [29]. As usual, there are various advantages and disadvantages with these methods, but generally, they primarily utilize techniques for asserting precise information, often making them quite inadequate for practical purposes.…”