Pro 1.04 – The 1-2-3-4 Approach Part 3 Wayne2020-04-16T14:50:13-07:00 HLC 1 Online: Professional Edition HLC 1 Pro Lesson 01: Introduction to the 1~2~3~4 Approach and the 5 Program Design Essentials Pro 1.04 – The 1-2-3-4 Approach Part 3 Previous Topic Back to Lesson Next Topic Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppEmail