Research & Reviews in Science and Mathematics September 2021 _{Reviews in Science and Mathematics September 2021}

The topics in the book as follows;  BROWN DWARFS  INVESTIGATION OF CHIRONOMIDAE (DIPTERA) FAUNA IN OĞULPAŞA STREAM (EDİRNE/TURKEY)  DETERMINING THE ROLE OF RENEWABLE ENERGY AND ECONOMIC GROWTH IN THE HUMAN DEVELOPMENT PROCESS USING DIFFERENT LINK FUNCTIONS IN FRACTIONAL REGRESSION MODEL  COMPARING EXTREME LEARNING MACHINE AND MULTILAYER PERCEPTION: TOURISM DATA AS AN EXAMPLE  VITAMIN D AND ITS IMPORTANCE IN METABOLISM  BIOACTIVE COMPONENTS AND BIOLOGICAL ACTIVITIES OF THE CARDAMOM (E. CARDAMOMUM L.) PLANT  THE STABILITY ANALYSIS OF AUTONOMOUS INCOMMENSURATE FRACTIONAL- ORDER SYSTEM AND ITS SOME CONCLUSIONS  ANOMALOUS PHOTO-SENSITIVITY OF AL/CH3NH3PBI3-XCLX/SI/AL VERTICAL JUNCTION DIODES; PHOTODIODE- AND SOLAR CELL-LIKE