Modern trends in economic development, such as globalisation of markets, intensification competition, changes consumer demand, shortening life cycles goods and technologies, increasing requirements for their quality, rising costs used resources, require leaders managers to find effective methods managing the company's activities. Ensuring competitiveness enterprises conditions is impossible wit...

Today, one of the most fundamental issues within the field of industrial and nonindustrial activities is evaluate the costs performance of the units which are associated with industrial and nonindustrial activities. Data envelopment analysis (DEA) is a nonparametric method for evaluating performance. Fuzzy sets theory is a powerful tool for mentioning ambiguous situations. Traditional DEA model...

process mediated by or involving microorganisms in which a product of economic value is obtained is called fermentation (Casida, Jr., 1968). The terms industrial microbiology and fermentation are virtually synonymous in their scope, objectives and activities. The microbial product may be microbial cells (living or dead), microbial biomass, and components of microbial cells, intracellular or ext...