| |||
ABC book; first reader | |||
alphabet |
alfabeto : 44 phrases in 13 subjects |
Communications | 10 |
Cryptography | 2 |
Deafblindness | 4 |
Economy | 1 |
Electronics | 2 |
Geography | 3 |
Information technology | 9 |
Medical | 1 |
Programming | 1 |
Social science | 1 |
Technology | 2 |
Telegraphy | 7 |
Work flow | 1 |