abstract textbook design and evaluation has recently turned into a very important area in english language teaching. this paper evaluates the english textbooks taught in iranian junior high schools: right path to english which was the medium of instruction until 2013 and the recently designed textbook-prospect- which replaced it. for this purpose, tucker’s (1975) textbook evaluation model was e...

The novel coronavirus disease (COVID-19) is spreading very rapidly across the globe because of its highly contagious nature and declared as a pandemic by World Health Organization (WHO). Scientists are endeavouring to ascertain drugs for efficacious treatment. Because, until now, no full-proof drug available cure this deadly disease. Therefore, identifying COVID-19 positive people quarantining ...

Using artificial light at night gives a lot of benefits for humanity, but, the same time, it has changed our planet significantly. However, problem was not taken seriously until its scale became noticeable. Though, skepticism, even among many recognized researchers, is still present, although this expressed mainly in personal conversations. But, any way number studies on topic increasing quite ...

In this paper, we show evidence of a dramatic change in the structure and time-varying patterns return connectedness across various assets (gold, crude oil, world equities, currencies, bonds) around COVID-19 outbreak. Using TVP-VAR approach, results that dynamic total five was moderate quite stable until early 2020. After that, spikes network alters, which concurs with The equity USD indices ar...