No Inv.: 65637/P/00/1c
No Inv.: 104640/P/Perp/06/1c
No Inv.: 679-681/P/99/3c
Judul asli :"The Economic theory of cooperative"
No Inv.: 84907-84910/P/FIS/03/4c~120601/SM/Perp/09/1c~138048-138052/P/Perp/14/5c
No Inv.: 90802-90805/P/Perp/05/4c~88671,88672,88670,88673,104789,104787,104788,81033,81030,81042,81037,81034,81032,81041/P/Perp/05/13c
No Inv.: 114846/PH/Perp/08/1c