Mariappan Jawaharlal, California State Polytechnic University, Pomona, shared an update PostedTuesday, July 5, 2016 at 10:20 AM Mariappan Jawaharlal has added a new After-/Out-of-school activity "Learning through Guided Discovery: An Engaging Approach to K-12 STEM Education". Mariappan Jawaharlal has added a new After-/Out-of-school activity "Learning through Guided Discovery: An Engaging Approach to K-12 STEM Education".