共 21 条
[1]
[Anonymous], 2013, J Med
[3]
Cochrane W., 1977, Sampling techniques, V3rd
[4]
Egbewale B, 2013, J Community Med Prim Heal Care, V24, P11
[5]
Fatiregun A., 2014, Niger. J. Paediatr, V41, P375, DOI [10.4314/njp.v41i4.17, DOI 10.4314/NJP.V41I4.17]
[6]
Hannan AA., 2014, PAN AFR MED J, V18, P157
[7]
Jegede AS, 2013, J COMMUNITY MED HLTH, V3, P125
[8]
Larsen D L, 1979, Eval Program Plann, V2, P197, DOI 10.1016/0149-7189(79)90094-6
[10]
Malata M, 2000, Clin Excell Nurse Pract, V4, P83