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Sign Language Services
Joni Oyserman is the owner and director of Signhands. Signhands is a small company that organizes workshops, trainings and courses for sign language learners; Signhands develops educational materials for sign language learning.
Joni is specialed in the didactics of teaching NGT (the sign language of the Netherlands) and International Sign. Her research activities are focused on second language learning by parents of deaf and hard of hearing children.