Authors: Gupta, V. K.

Citation: V. K. Gupta, A method of inclusion probability proportional to size selection,, Statistica, 49(2), 1989, pp. 277-281

Authors: Gupta, V. K. Kumar, P. Nigam, A. K.

Citation: V. K. Gupta et al., On sample selection procedures using two auxiliary characters, Statistica, 47(2), 1987, pp. 219-225