300.72
U65S
           Upadhyaya, Harish Chandra
               Samajik survekshan, anusandhan evam sankhiyakee \ Harish Chandra Upadhyaya - 2nd - New Delhi : Atlantic, 1999.
               viii, 344p.
140004
                Subjects: Social surveys; Research-Law and legislation; Statistical hypothesis testing.