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ABSTRACT The blue discus (Symphysodon aequifasciatus) is often sold for ornamental purposes. It is a neotropical cichlid from South America, which is native to the rivers of the Amazon basin of Brazil, Peru and Colombia....

Graphite was exfoliated to graphene by tip sonic using sodium cholate as a surfactant in the presence of Millipore water as a medium. The use of water as a solvent for exfoliation purposes is very important due to its en...

The main subject of theoretical-empirical study presented in this paper is the estimate of the relationship between changes in the value and structure of equity and profitability of the enterprises listed on the Polish a...

The article analyzes the problem of patriotic education of students by means of multimedia in a class-room environment. The author pays the main attention to both the creation of didactic materials for social and human s...

This Campbell systematic review assesses the effectiveness of school‐based decision‐making. The review summarises findings from 17 impact studies and nine studies of barriers and enablers. School‐based decision‐m...