Introduction: The ISSPP project was launched in 2001 and continues to seek to understand the characteristics, attitudes and characteristics of successful school. The results of a case study in different countries show that successful educational managers have outstanding characteristics. The purpose of this study is to identify the characteristics of successful school principals based on resear...

the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...

nowadays, the development of anti cancer drugs is an important subject in pharmacology. bisphosphonates (b.p) are a great choice for design and production of the types of drugs which not only could perform as anti cancer agents but also could inhibit the function of acetyl cholinesterase (ache). ache hydrolyzes the acetylcholine (which is a neurotransmitter in nervous system) using the oh in i...

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...

1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...

The main purpose of this paper is to develop the model of work-life balance in Mazandaran Province Gas Company as a service and project-oriented company. In the present study, a qualitative method based on grounded theory strategy has been used, because the researcher has used systematically collected conceptual data to explain the model. The field method was used for data collection by intervi...

implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...

this study investigated the functions, types and frequencies of code switching in the teachers and students discourse in elt classrooms. to this end, the participants of this study including two groups of teachers and students were selected. the first group of participants were two efl teachers teaching general english courses (at two different levels of proficiency) in an institutional program...

In recent years, many leading companies have found that managers and supervisors play a vital role in promoting human resource goals and programs, and have been entrusted with the development and training of employees to their executives. Today, one of the roles assigned to managers to implement this responsibility, is coaching. Therefore, modeling the executive coaching role of directors in Ir...