Jintapit Klaichinda และ Solaphat Hemrungrojn. (2019) The effect of pebble stone classification activity on executive function in mild cognitive impairment patients at cognitive fitness center of King Chulalongkorn Memorial Hospital. <i>Chulalongkorn Medical Bulletin</i>, <i>1</i>(6), 581-592.Jintapit Klaichinda และ Solaphat Hemrungrojn. "The effect of pebble stone classification activity on executive function in mild cognitive impairment patients at cognitive fitness center of King Chulalongkorn Memorial Hospital". Chulalongkorn Medical Bulletin 1 (2019):581-592.Jintapit Klaichinda และ Solaphat Hemrungrojn. The effect of pebble stone classification activity on executive function in mild cognitive impairment patients at cognitive fitness center of King Chulalongkorn Memorial Hospital. Faculty of Medicine Chulalongkorn University:ม.ป.ท. 2019.