The P2L2 Summit 2018: Can P2Ls Contribute to OA Sustainability? by Charles Watkinson Share Tweet Email Presented at the P2L2 Summit, June 20, 2018, in San Francisco, CA, by Charles Watkinson. 2018.06.20-P2L2-OASustainability-Watkinson.pdf 2018, P+L: Presses and Library Publishing, Publications, Slide