this study investigated the role of the principal in managing teaching and learning. it examined how and to whom principals distributed the management of teaching and learning.  it was found that participants thought principals could improve school effectiveness most by engaging in activities that develop a good climate and ensure appropriate resources are available for instruction. there is a ...

a critical protection requirement for grid connected distributed generators (dg) is anti-islanding protection. in this paper, a new islanding detection method for any possible network loading is proposed based on utilizing and combining various system parameter indices. in order to secure the detection of islanding, eight intentional disturbances are imposed to the system under study in which t...

Over the past decade, Internet of Things (IoT) has undergone a paradigm shift away from centralized cloud computing towards edge computing. Hundreds billions things are estimated to be deployed in rapidly advancing IoT paradigm, resulting enormous amounts data. Transmitting all these data recently proven performance bottleneck, as it causes many network issues relating latency, power consumptio...