A convex lens of power 4D is kept in contact with a concave lens

power 4dDownload our all-new 4D Model of Project Management PPT to illustrate the rht approach to manage the project and acplish the desired goals.The 4 Discips of. Execution (4DX) Apa itu 4DX? 4DX adalah proses untuk mencapai sasaran atau goals secara efektif. Kenapa 4DX? 1. Menentukan Prioritas 2. Disiplin Eksekusi