To define the middle class solely by income range is weak and unreliable, because there are just too many other variables to ...

This is the shape of the classic soccer ball, originally called the Telstar ball and used in the official FIFA World Cup ...

Calibration and validation of the AquaCrop model for the soybean crop grown under different levels of irrigation in the Motopiba region, Brazil Calibração e validação do modelo AquaCrop para a cultura ...