ARTICLE Kulak_TCDC_2021/IDIAP Combining Social and Intrinsically-Motivated Learning for Multi-Task Robot Skill Acquisition Kulak, Thibaut Calinon, Sylvain EXTERNAL http://publications.idiap.ch/attachments/papers/2021/Kulak_TCDC_2021.pdf PUBLIC IEEE Transactions on Cognitive and Developmental Systems 15 2 385-394 2023 https://doi.org/10.1109/TCDS.2021.3069341 doi