AUTHOR
World Tourism Organization
110
Philippines
60
National Geographic Society (U.S.)
59
Time-Life Books
53
Cruz, Reil G.
40
Kotler, Philip
30
Lopez, Emma Lina F.
27
De Leon, Hector S.
25
Hoefer, Hans Johannes
24
Philippines. National Economic and Development Authority
22
National Research Council (U.S.). Transportation Research Board
21
International Air Transport Association
20
Discovery Channel (Firm)
19
Gonzalo, Richard Philip A.
18
Lundberg, Donald E.
18
Nolledo, Jose N.
18
United Nations. Economic and Social Commission for Asia and the Pacific
18
Hall, Colin Michael 1961-
17
Philippines. Department of Tourism
17
Mena, Miguela M.
16
Ser-Vo-Tel Institute
16
Hoefer, Hans
15
Villegas-Bacay, Victoria H.
15
Bell, Brian
14
Powers, Thomas F.
14
Badilla, Maria Criselda G.
13
Buccat, Monina M.
13
Harvard Business Review
13
Ninemeier, Jack D.
13
Pacific Area Travel Association
13
Barrows, Clayton W.
12
International Union of Official Travel Organizations
12
Philippines. National Census and Statistics Office
12
United States Travel Data Center
12
Walker, John R. 1944-
12
Kotas, Richard
11
Muro, Vicente
11
Pearce, Douglas G. 1949-
11
Alampay, Ramon Benedicto A.
10
Goeldner, Charles R.
10
Hayes, David K.
10
Page, Stephen J.
10
Swarbrooke, John
10
Tribe, John
10
Unesco
10
Archaeological Survey of India
9
Chang, Richard Y.
9
Davidoff, Philip G.
9
Domingo, Benjamin B.
9
Foster, Dennis L.
9
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