The decline in fertility societies that experience demographic transition process, causes a proportional decrease children the total population. On other side, since process has not yet been completed, there is no significant increase share of elderly population total. working age increasing with child and This situation provides an opportunity for economic development this special period calle...

daylight in classrooms is a critical factor in school design, in terms of its impact on students’ health, learning and visual performance. providing adequate amount of evenly distributed daylight and glare prevention are important challenges in classroom design. window configuration significantly affects the intensity and uniformity of daylight. this paper aims to investigate the effect of wind...

The study attempts to find out the impact of buyback announcement on share price. Paired sample T-test is employed to compare share price before and after the buyback announcement. The analysis of variance is also used to find out whether there is any significant difference among industries in the price change due to buyback announcement. The study is carried out from 1st January 2005 to 31st D...

the study attempts to find out the impact of buyback announcement on share price. paired sample t-test is employed to compare share price before and after the buyback announcement. the analysis of variance is also used to find out whether there is any significant difference among industries in the price change due to buyback announcement. the study is carried out from 1st january 2005 to 31st d...

  Introduction: Poor sensitivity and poor signal to noise ratio because of low injected thallium dose and presence of scattered photons are the main problems in using thallium in scintigraphic imaging of the heart. Scattered photons are the main cause of degrading the contrast and resolution in SPECT imaging that result in error in quantification. Thallium decay is ve...