Instruction and study (1) Deixis (1) Children (1) Assaying (1) Communication (1) Notation (1) Notation (1) Video recording (1) Deafblind children (1) Speeches, addresses, etc (1) Signs and symbols (1) Profit (1) Perspective (1) Negotiation (1) Linguistics (1) Goal (Psychology) (1) Commercial products (1) Management (1) Analysis (1) Practice (1) Training of (1) Niños sordociegos (1) Deixis (1) Negociación (1) Discursos (1) Vídeo (1) Signos y símbolos (1) Perspectiva (1) Beneficios (1) Comunicación (1)