Do you want to attain certificates for career advancement and yet find yourself not being able to leave the office even for a single day? Not to worry! We have self-study courses that you can register for. The beauty of technology is that it creates an interconnected society where the intellectual needs of individuals can be met easily. You can develop professionally without affecting your work since you can do this at your own pace without attending class. Other than being convenient, self-study boosts your self-esteem since you do it without direct supervision.