Categories

• Others,Botany
• zoolozy
• Education
• Others,History
• Economic
• Economics,History
• Others,Physics
• Others,Biology
• psycholigy
• Physics

Authors

• Nayak
• M.N
• A., Joseph,schumpeter,A., Joseph,schumpeter
• M.H,Shrams,Acharya , R.C
• tamanasseri
• Nanda, R.N.,acharya and others
• Grover , Grover,Das,Chopra, Puri
• G.D,Sehmidt,Aiyengar , Prasad
• Gnover
• harrison j.b.