1. Toward an understanding of inequity;Adams;Journal of Abnormal and Social Psychology,1963
2. Maslow's hierarchy of needs theory: Applicability to the Nigerian industrial setting;Ajila;IFE Psychologia: An International Journal,1997
3. Basic principles in improving human relations;Allport,1951
4. Social learning theory;Bandura,1977
5. Social foundations of thought and action: A social cognitive theory;Bandura,1986