Health and safety are important factors in today’s life. Most of studies show that consuming the chicken that has anti biotic caused different diseases like digestive vessel cancer. Attention to controlled use of antibiotics can play a key role in society health which considered in the production of green chicken. Planning for increasing the production of mentioned chicken needs the investigati...

This study was a qualitative research which was done by a case study approach. The samples were chosen from rural development experts of Hamedan Province during a snowball sampling process. The data were collected by the semistructured interviews. The data collection was done by faceto- face interviews, after the interview questions guide was determined. The theoretical saturation was attained ...

Abstract Introduction: Family-related factors play an important role in adolescent’s addiction to the Internet. Objective: The aim of this study was to examine the relationship between Internet addiction and family functioning in high school students. Materials and Methods: This is an analytical  study with a cross-sectional design conducted on 796 high school students in Rasht city, Iran wh...

the increasing use of internet leads to the expansion of electronic exchange. customers are trying to take advantage of this situation in different ways. one of their main concerns is the lack of sufficient trust toward the other side. in other words, they are afraid of the probable damage of these kinds of online bargains. for example their potential fears of fraud. maybe the perceived fraud i...