Game Changer: The Philippines’ Assertive Transparency Campaign: How the Philippines Rewrote the Counter Gray Zone Playbook in 2023”, by Col. Raymond Powell US Air Force (Ret) and Benjamin Goirigolzarri Ph. D., Stratbase ADRi, January 12, 2024Sea Control 456 - China’s Maritime Gray Zone Tactics and SeaLight with Ray Powell and Gaute Friis, by Jared Samuelson, Sea Control Podcast, August, 24, 2023