| Preview | Issue Date | Title | Author(s) | Preview | Type | Issue Date | Title | Author(s) |
|---|---|---|---|---|---|---|---|---|
| 28-Mar-2017 | Using captcha technology: pros and cons. ways to secure from spam-bots attacks | Boyko, N.; Stakhiv, M.; Lviv Polytechnic National University | Article | 28-Mar-2017 | Using captcha technology: pros and cons. ways to secure from spam-bots attacks | Boyko, N.; Stakhiv, M. |