Aloysius Iyorgyer Katsina-Alu (ojoibi 28 August 1941) je onidajo agba Ile-ejo Gigajulo ile Naijiria.Itokasiawon ojoibi ni 1941Awon adajo ara Naijiria.. 
The distinct field of social psychology emerged from the many intersections of Sociological and psychological interests, and is further distinfẹ́ra in terms of Sociological or psychological Emphasis.sociology and Applied sociology are connected to the professional and academic discipline of social work.. 