Palavra-chave: MOBILE DEVICES AND SERVICES

MULTIMODALITY MULTISEMIOTIC SOFTWARE REQUIREMENTS INTERFACES, INTERACTIONS AND SYSTEMS FOR DISTANCE USABILITY TESTING AND EVALUATION INTERFACE EVALUATION HUMAN-COMPUTER INTERACTION E-LEARNING ENVIRONMENT INTERACTION STYLES COMPUTER MEDIATED COMMUNICATION LANGUAGE PRACTICES USABILITY OPEN EDUCATIONAL RESOURCE PORTABILITY TESTING AND EVALUATION ELECTRONIC LEARNING ENVIRONMENT M-LEARNING