current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

Although the history of Catholic Christianity propagation in Islamic era of Iran returns to the Ilkhanid period, it was at first in the Safavid era when organized form of Catholic missions began with the actions of a sect of Christian mystics attributed to St. Augustine. Starting of these efforts had not been an outcome of peaceful endeavours, but rather the upshot of Portugueses' military rush...

According to the thinkers and historians of Iran history during Islamic epoch, The Safavid era has always been recognized as an era with most magnificent and powerful national-religious state including the controlling central government. Due to establishing new government infrastructures for politics, economics and culture in this epoch, a marvelous revolution happened in the social life of Saf...

Potteries known as “Minai” are one of the valuable types of potteries remained from middle Islamic era, which were produced between 575 and 616 AH in middle of Islamic civilization, in the late period of Seljuk and Khwarazmshahi era in Iran. Such potteries were found in works obtained from Ray, Kashan, Saveh, and in a limited number in Nishapur and Tabriz that in terms of motifs and their compo...

Columns are structural elements that transfer the vertical forces from beams and vaults. They have undergone major changes in terms of form in the course of time. The formal analysis of different parts of columns may reveal valuable geometric information about them. Recognizing the geometric forms of stone columns can be one of the proper strategies for restoring these valuable elements. The si...

One of the important questions of archaeology is the study of the mobility and immigration of human groups. A common method for addressing these issues is to refer to the artifacts and archaeological findings left behind by the earlier cultures and to compare the forms, motifs, and production methods used among various ancient cultures, and hence, to explore the relationships and cultural excha...