| 210 EUR | Only if the Author has uploaded three or more than three WSEAS
Publications of the previous year (2017) in his Researchgate profile
 (https://www.researchgate.net).  After his registration, the author has
to send us the link. | 
| 240 EUR | Only if the Author has uploaded at least two WSEAS Publications of the
previous year (2017) in his Researchgate profile
 (https://www.researchgate.net).  After his registration, the author has
to send us the link. | 
| 270 EUR | Only if the Author has uploaded at least one WSEAS Publication of the
previous year (2017) in his Researchgate profile
 (https://www.researchgate.net).  After his registration, the author has
to send us the link. | 
| 300 EUR | For any other case. |