A mathematical model for decision-making in the classification of para-footballers with different severity of coordination impairments.

Classification is a defining feature of Para-sport, and sports-specific classification systems determined through multidisciplinary scientific research are required, i.e., evidence-based and focused on the relationship between the impairment and the key performance determinants.

Testing the consistency and feasibility of the standard Malmquist-Luenberger index: Environmental productivity in world air emissions.

Over the last twenty years an increasing number of studies have relied on the standard definition of the Malmquist-Luenberger index proposed by Chung et al. (1997) [J. Environ.