@inproceedings{Kato:2020fA, author = "Kato, Yu", title = "{Probing the dark sector via searches for invisible decays of the Higgs boson at the ILC}", doi = "10.22323/1.364.0358", booktitle = "Proceedings of European Physical Society Conference on High Energy Physics {\textemdash} PoS(EPS-HEP2019)", year = 2020, volume = "364", pages = "358" }