National Council of Educational Research and Training (India
P. S. S. C. physics: teacher's resource book and guide; part. 2/ - New Delhi: NCERT, 1964 - ii, II-17(1)
45704-04-2018
Physics-Guide Books
P. S. S. C. physics: teacher's resource book and guide; part. 2/ - New Delhi: NCERT, 1964 - ii, II-17(1)
45704-04-2018
Physics-Guide Books
