Khalid Md Saifuddin

educational technology e-learning interaction design usability engineering ict in education human centered informatics learning media and technologies higher education information architecture user experience design bangladesh employment teachers' development computer supported collaborative learning elearning science and technology studies techno-anthropology adoption integration barriers ipad diffusion of innovations digital learning technology blended learning edtech design virtual reality teaching learner experience design nera 2017 actor-network theory mapping controversies child-computer interaction usability testing usability evaluation usability testing methods child interaction design user experience apps web 20 digital literacy cscl aalborg university jefferson conversation analysis competencias global clicker software clicker socrative ict4d ict for development mobile m-learning school advantages decision support system ehealth asthma belief rule base expert system health informatics project-based learning web 2.0 pecha kucha smart classroom digital bangladesh domestication participatory action research telecenter diffusion of innovation technical vocational education & training rural bangladesh digital divide phd