Many defects in manufacturing system are caused by human resources that show the significance of the human resources in manufacturing systems. Most manufacturers attempt to investigate the human resources in order to improve the work conditions and reduce the human error by providing a proper work-rest schedule. On the other hand, manufacturer deal with machine scheduling based on demand and wo...

The major objective of this mixed methods research, which considered elements of both quantitative and qualitative research approaches, was to examine the effect of two different types of focus on form instruction, namely proactive and reactive across multimodal vs. traditional input settings on Iranian EFL learners' comprehension and production of modal auxiliaries. The participants of the stu...

This experimental study evaluated the possible effects of textual input- based enhancement on the acquisition of passive form on Iranian pre-intermediate EFL learners. Sixty Iranian EFL learners at the pre-intermediate level of proficiency were randomly assigned into three groups; two experimental group and one comparison group. The first experimental group received passages in which the passiv...

objective: this study is applied of descriptive correlative type run as field study using billings and moos (1981) standard methods questionnaires for stress coping and self-efficacy ideas of sherer et al (1981). methods: in this research, the census sampling has been done to select the students from tehran based science and research department of islamic azad university natural resources and a...

In today's competitive market, quality has an important role in manufacturing system. The manufacturers attempt to maintain their production system in a proper condition to produce high quality products. One of the key factors to achieve this goal is maintenance policy. Most studies on maintenance focused on machines and less attention has been paid to human resources as the most important fact...