1.
Alford R, Shivashankar V, Kuter U, Nau D. HTN Problem Spaces: Structure, Algorithms, Termination. SOCS [Internet]. 2021 Aug. 20 [cited 2026 May 27];3(1):2-9. Available from: https://ojs.aaai.org/index.php/SOCS/article/view/18239