"Second half was very disciplined, very determined and great credit to every single one of these players," he said after a vital 2-0 win at The Valley.
"For young players its outstanding the way they stand up to it and the energy that they show and it's a fantastic three points."
Charlton boss Phil Parkinson lamented: "In the first 30 minutes we had numerous chances to take the lead, we didn't take them and then we gifted them two goals. "