Aarthik Aayojan no Sidhdhanto : (Anusnatak Kaksha) (Gujarati)
Amin, R. K.
Aarthik Aayojan no Sidhdhanto : (Anusnatak Kaksha) (Gujarati) - Ahmedabad Univ. Granth Nirman Board 1974 - 551 p
Aarthik Aayojan no Sidhdhanto : (Anusnatak Kaksha) (Gujarati) - Ahmedabad Univ. Granth Nirman Board 1974 - 551 p