——4D—

nasa 4dnasa 4d berfokus pada penguatan solidaritas sosial melalui program pemberdayaan masyarakat yang berkelanjutan, dengan tujuan meningkatkan kesejahteraanThe compelling thing about Charlie Pellerin’s 4-D System is that it works. As a senior NASA leader, I witnessed a literal transformation as the 4-D system took root in our culture. In