00455nam a2200157Ia 4500 20260205064016.0 260111s9999||||xx |||||||||||||| ||und|| 9788193121795 500 M277M Mahendra Kumar Modern science technology New Delhi Sonam pub. 2017 115p. Science and technology ;Technology innuvations ;High tech revolution ;Science policy BK 195857 195857 0 0 0 0 TSCSL TSCSL 2026-02-05 0 500 M277M 232551 2026-02-05 06:40:16 2026-02-05 BK