can provide valuable information for evaluating and compensating teachers. Education researchers have recently recognized that easily quantifiable characteristics— including postgraduate education, experience, college quality, certification, and even scores on standardized tests—do not capture much of the variation in the quality of instruction as measured by the contribution to learning. This ...

the future of biomass energy in the global energy system depends on many major factors, among others on the attitude of society in rural areas to the biomass energy and the renewable energy resources. biomass energy plays increasing role in rural areas with its contribution to the self sufficiency of people in the countryside. the paper deals with the analysis the opportunities of utilization o...