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http://www.brokstukken.nl/informatie ">tram can you buy diflucan over the counter gradual The first thing I learned is why so few who start MOOCs finish them: They're hard. When a class is free and doesn't generally produce a credential it takes real self-discipline (or a promise to your editor to write about the experience) to make yourself keep up. These MOOCs simulate a full course at a top-tier university, which means a minimum of 2-3 hours per week of lectures, plus quizzes, homework and reading. Most difficult of all, you have to keep up for 12 to 15 weeks, which is a lot harder for people like me, with a toddler at home and a day job, than it was when I was a full-time college student.