Randomized Controlled Trials of a Psychosocial Intervention for Improving the Cognitive Function among Older Adults: A Scoping Review oleh A’isyah Mohd Safien MEd, Norhayati Ibrahim PhD, Ponnusamy Subramaniam PhD, Suzana Shahar PhD, Normah Che Din PhD, Aniza Ismail PhD, Devinder Kaur Ajit Singh PhD, Arimi Fitri Mat Ludin PhD