Kamlesh Kumar and Sunit Kumar. Estimators for the Product of Two Population Means Using Auxiliary Attribute in the Presence of Non-response. NRAMCS-V6 [Internet]. 2022 Jul. 21 [cited 2026 Jun. 14];:130-9. Available from: https://stm.bookpi.org/NRAMCS-V6/article/view/7767