اثربخشی آموزش غنی‌سازی مبتنی بر تعهد و پذیرش بر ناگویی هیجانی، انعطاف‌پذیری ‌شناختی و اختلالات خواب در سالمندان دارای افکار خودکشی سرای سالمندان

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