51. | | Autor: Dillimono, Hanny Dickson Coautor: ; Dickinson, Janet E. | |
52. | | Autor: Sinclair-Maragh, Gaunette Coautor: ; Gursoy, Dogan | |
53. | | Resp- Sec.: Carter, R.W. (Bill) Thok, Sokhom O' Rourke Vicky Pearce, Tristan | |
54. | | Autor: Pratt, Stephen | |
55. | | Data Publicação: 1971 Col.autor: CNUCED | |
56. | | Autor: Moufakkir, Omar | |
57. | | Data Publicação: 1967 Col.autor: Comité Nacional Español de la Cámara de Comercio Internacional | |
58. | | Autor: Shah, Syed Mohsin Ali Coautor: ; El-Gohary, Hatem Hussain, Javed Ghulam | |
59. | | Resp- Sec.: Zaman, Khalid Shahbaz, Muhammad Loganathan, Nanthakumar Raza, Syed Ali | |
60. | | Autor: Alam, Md. Samsul Coautor: ; Paramati, Sudharshan Reddy | |