na INLIS000000000001403 0010-1220000244 311 311 I.P David In search of optimum strategies for Philippine household surveys I. Simple Random Sampling and its limitations Los Banos University of the Philippine 1975 30 p. : ill ; 28 cm RUMAH TANGGA - STATISTIK STATISTIK - RUMAH TANGGA. 1845 1845 1845 1845 2045