00474nam a22001817a 4500 20260218160659.0 978-81-259-3847-7 eng 23rd ed. 370.1 AGG Aggarwal, J C Theory and principles of Education by J C Aggarwal 13th ed. Noida Vikas Publishing 2019 x, 518p.; 24 cm. Education www.vikaspublishing.com BK 0 0 0 0 EDU NEHU NEHU GEN 2026-02-18 0 370.1 AGG 247637 2026-02-18 16:05:56 ,12 2026-02-18 BK 184460 184459