-
281
-
282
A numerical study of bias estimation of variance in systematic sampling of Philippine households [microform]
প্রকাশিত 1977Visual Material -
283
-
284
-
285
-
286
Housing for low-income earners in the Philippines Metro Manila case studies
প্রকাশিত 1977গবেষণাপত্র -
287
-
288
-
289
-
290