before_sent:  Harvard Business Review, 86(1): 98105, 137 Discovery-driven planning has been widely used in entrepreneurship curricula and has recently been cited by Steven G. Blank as a foundational idea in the lean startup methodology Blank, S. (2013).
before_sent_with_intent: <fluency>  Harvard Business Review, 86(1): 98105, 137 Discovery-driven planning has been widely used in entrepreneurship curricula and has recently been cited by Steven G. Blank as a foundational idea in the lean startup methodology Blank, S. (2013).
after_sent:  Harvard Business Review, 86(1): 98105, 137. Discovery-driven planning has been widely used in entrepreneurship curricula and has recently been cited by Steven G. Blank as a foundational idea in the lean startup methodology Blank, S. (2013).