Articles in which nonparametric data envelopment analysis (DEA) is applied to estimate the efficiency based on a network structure usually consider desirable intermediary parts that are first stage’s outputs be used as second inputs. In many real-life situations, parameters include and undesirable outputs. This issue has drawn much attention from DEA researchers recent years. The main motivatio...

In clinical laboratories, the diagnosis of parasite diseases can sometimes be challenging for non-expert microbiologists. Indeed, in spite advent molecular biology, macroscopic and microscopic examinations still remain essential. Nonetheless, it is usually not automated requires great skills to complete correct diagnosis. It infrequent that inert elements mislead erroneous diagnoses. Through th...