Public-key encryption is extensively used to provide digital data confidentiality and deliver the security features, such as nonrepudiation (digital signature) and secure key exchange.Conventional public-key schemes are based on mathematical problems with inflexible constraints, and the security of digital contents relies on computational complexit
Abstrak: Pentingnya penelitian ini untuk meningkatkan keterampilam menulis Bahasa Arab melalui kolaborasi siswa.Penelitian ini bertujuan untuk mengevaluasi efektivitas metode Problem Based Learning (PBL) dalam meningkatkan keterampilan menulis Bahasa Arab melalui kolaborasi siswa.Penelitian ini menggunakan pendekatan kuantitatif eksperimental denga
BackgroundPhysical activity and body mass Containers index (BMI) have been reported to change around retirement.The objective was to examine the concurrent changes in physical activity and BMI around retirement, which have not been studied before.In addition, the associations of different demographic characteristics with these changes were examined