this research aims to apply a model to the study and analysis of environmental and natural resource costs created in supply chains of goods and services produced in thailand, and propose indicators for environmental problem management, caused by goods and services production, based on concepts of sustainable production and consumer behavior. the research showed that the highest environmental co...

This study aims to evaluate the impact of COVID-19 pandemic on sectoral performance and reveal how has influenced certain sectors. In this study, 5-year (2016-2020) financial data a total 250 companies operating under 22 sub-sectors in BIST were analyzed using ratio analysis method. The results demonstrated that some sectors adversely affected by pandemic, whereas others positively affected. ad...

Toady’s telecommunication network serves as an essential platform in our society for exchange of information in its various possible forms, viz., voice, data and video, and thus helps us in living the life of this modern era. Networking practices have evolved almost over two centuries with an unbelievable range of technologies, services and standards, calling for accommodation of heterogeneous ...

the aim of this research is to consider the quality of services provided by kerman telecommunication company (ktc) from different perspective in order to keep and attract clients. in this research, the quality of services by kerman province telecommunication company in different parts such as: phone, mobile phone, data service and also the quality of presented services by serving offices due to...

Inequality in the Human Development Index (IPM) Papua Province amid disbursement of development funds needs to be studied adequately so that policies and programs have been planned can more directed on target. For this reason, research is needed map priority each district by identifying regional characteristics, namely villages. By using Cluster Analysis Factor Analysis, results show 4 clusters...

Abstract This paper investigates the short‐term response of Saudi stock market (Tadawul) to COVID‐19 outbreak. Event study methodology applied data derived from 21 industry groups that constitute calculate abnormal returns for trading days after announcement in both China and Arabia. The results indicate estimated CARs their sum on event day were not statistically significant. Furthermore, form...

introduction: due to the importance of apical transportation during root canal preparation, the aim of the current study was to use cone-beam computed tomography (cbct) to assess the extent of apical transportation caused by protaper and mtwo files. methods and materials: forty extracted maxillary first molars with 19-22 mm length and 20-40 degrees of curvature were selected. the mesiobuccal ca...