Ittyavirah Joseph; Chakkunny P., . (1987). Practical Physics for B.Sc. (Sub). : .
Ittyavirah Joseph; Chakkunny P.V, . 1987. Practical Physics for B.Sc. (Sub). : .
Ittyavirah Joseph; Chakkunny P.V, . Practical Physics for B.Sc. (Sub). : . 1987.