The problem that we found was to travel to interview experts, it is quite difficult because of the time and we're in contact with our experts at the time did not match, and some teachers, that we are going to interview, at first, he retired. How to solve the problem is a group of us have a friend with a car used cars to travel to contact experts, making it easier to travel and the time we contacted asked the experts if there are available the day after it was agreed that where availability of us in a group match and then travel to the interview. Best solution is to change the end date and time, and contact new experts so that they can be interviewed.
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