ETAP RESURSE EDUCATIONALE - VII - https://manuale.edu.ro/manuale/Clasa%20a%20VII-a/Educatie%20tehnologica%20si%20aplicatii%20practice/U0MgQ0QgUFJFU1MgU1JM/A803.pdf
ETAP RESURSE EDUCATIONALE - VII - https://manuale.edu.ro/manuale/Clasa%20a%20VII-a/Educatie%20tehnologica%20si%20aplicatii%20practice/U0MgQ0QgUFJFU1MgU1JM/A803.pdf