this study was conducted to identify self-directed and external professional development obstacles facing primary school efl teachers in southern zone of tigray region in ethiopia. the participants of the study were 63 primary school efl teachers, 10 school principals and 2 clusters of supervisors. school teachers were selected using random sampling technique whereas school principals and clust...

Coursebooks are normally written to contain information, instruction, exposure, and activities that learn- ers at a particular level need to enhance their communicative competence in the target language. Howev- er, many global course books make attempts to include content, topics, and texts that do not disadvantage any learner around the world. That is why global course books normally do ...

the process of planning and initiating health services development has been described as conceived and experienced by the working group of the health services development research project in iran. the technical steps (conceiving and describing the health services system, development of plans, preparatory step and implementation) as well as political support needed are defined and described. the...

messenger rnas may be targeted by short 19-27 nt rnas generally called small none-coding rnas (snrnas), the role of mirnas among other snrnas has been more studied and is well known. many researches show that all compartments of risc, proteins and mirnas take part in this wide range of regulatory impacts. ago protein homologs plus mirnas and target mrnas form a silencing complex in p-bodies whi...

background: previous studies reported many discrepancies about the effects of corpus luteum (cl) and ovarian follicle size on the developmental competence of oocytes. objective: the aim of this study was to investigate the effects of cl and different size of follicle on the developmental potential of bovine oocytes. materials and methods: after ovarian classification based on presence or absenc...