| Article# | Article Title & Authors (Volume 6 Number 4 (Aug. 2015)) | Page | 
| 609 | Mai Ngoc Khuong and Pham Dac Luan | 238 | 
| 610 | G. Kirov, P. Zlateva, and D. Velev | 244 | 
| 611 | B. Lazarov, G. Kirov, P. Zlateva, and D. Velev | 252 | 
| 612 | P. Zlateva, D. Velev, and L. Raeva | 260 | 
| 613 | P. Stoynov, P. Zlateva, and D. Velev | 267 | 
| 614 | Chamil E. Kodithuwakku and Deepthi N. Wickramarachchi | 272 | 
| 615 | Yihui Chen, Donglin Wang, Can Pu, and Wenxiao Mou | 278 | 
| 616 | Settapong Malisuwan, Noppadol Tiamnara, and Nattakit Suriyakrai | 285 | 
| 617 | Hartono, J. Widodo, M. Rahman, and T. Prihatin | 290 | 
| 618 | Zachary Wong | 295 | 
| 619 | Diane J. Fulton, Thomas W. Garsombke, and Richard A. Fulton | 300 | 
| 620 | Giani Gradinaru | 305 | 
| 621 | Hiromi Cho and Kuniko Ishiguro | 309 | 
| 622 | Jaffar Ahmad Alalwan | 316 | 
 
                             