أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
I prefer reading paper book. E-book is my Secondary option only. Thanks.
if this question is for your research work better you should ask for the selected sample and if pilot questionnaire that also be on this ample size otherwise give you an answer is not successful or waste of time. reading a paper will be good for the studies or those who does not travel but those who travelling24/7 e materials are best option.
I prefer reading paper book