Singh, Y.P..
Encyclopaedic Dictionary of Commerce Vol-3 / - First Ed.. / - New Delhi-51 : Akashdeep Publishing House. - p.350 :
81-7158-167-6
X:8k / N0.3
Encyclopaedic Dictionary of Commerce Vol-3 / - First Ed.. / - New Delhi-51 : Akashdeep Publishing House. - p.350 :
81-7158-167-6
X:8k / N0.3