Sampling method used in assessing immunization status of children under immunization programme is-
<p> Cluster sampling . Reference: Simple Biostatistics by Indeayan & Indrayan,1st edition,pg no:35-36 and Methods in Biostatistics by Mahajan,7 th edition,pg no:91.
Systemic sampling
Stratified sampling
Group sampling
Cluster sampling
Biostatistics