Effective relax acquisition: a novel approach to classify relaxed state in alpha band EEG-based transformation. - Diah Risqiwati; Adhi Dharma Wibawa; Evi Septiana Pane; Eko Mulyanto Yuniarno; Wardah Rahmatul Islamiyah; Mauridhi Hery Purnomo (Brain Informatics, 2024)