Hossain, M. I.; Rahman, Masud Ibn; Tareq, Muhammad
(Daffodil International University, 2006-07-01)
The ratio, product, chain ratio, chain product, chain regression and ratio-cum
product estimators have been considered by Chand (1975), Kiregyera (1980, 1984),
Upadhyaya et. al. (1990, 1992), Srivastava et. al. (1990), ...