Iyer Kamlam Gopalkrishnan, Srinivasan Venkatesan. Normative congruence between 1967 and 2002 adaptations of age scale for Indian urban children. ijip [Internet]. 2022 Nov. 5 [cited 2025 Jun. 14];7(4). Available from: https://ijip.co.in/index.php/ijip/article/view/3109