共 16 条
[2]
AHMED ZU, 1982, THESIS U VIRGINIA CH
[3]
Alam M. F., 1981, Bangladesh Journal of Agricultural Economics, V4, P51
[4]
CHAUDHURY RH, 1981, 5TH ANN C BANGL EC A
[5]
Cochran W.G., 2007, SAMPLING TECHNIQUES
[6]
CUEVAS CE, 1984, THESIS OHIO STATE U
[7]
Deming W. E., 1950, SOME THEORY SAMPLING
[8]
GONZALEZVEGA C, 1976, THESIS STANFORD U PA
[9]
Khan A.R., 1972, EC BANGLADESH
[10]
LADMAN JR, 1984, UNDERMINING RURAL DE