Dharmaj Mitra Thudar Visphodana Sidhandavum Naalam Chalana Niyamavum (chain bang theory ad fourth law of motion)/ by Dharmaj Mitra - Kollam: Soorya Publications, 2021. - 238p. Subjects--Topical Terms: AstrophysicAstronomyPhysicsScience Dewey Class. No.: M 523.01 / DHA/T