8 1 50 how economic principles can contribute to clear thinking Levi, Maurice D. Primary Author mixed material New York Basic Book 1985 Samuelson, Paul A. Primary Author Nordhaus, William D. Additional Author Hutauruk, Gunawan Additional Author Khalid, A.Q. Additional Author mixed material Jakarta Penerbit Erlangga 1986 Samuelson, Paul A. Primary Author Nordhaus, William D. Additional Author Wasana, A. Jaka Additional Author mixed material Jakarta Erlangga 1986 Pool, John Charles Primary Author Laroe, Ross M. Additional Author mixed material Reading, MA : Addison-Wesley 1986 Wachid, R. Djoerban Primary Author mixed material Yogyakarta Sari Ilmu 1984 Chisholm, Roger Primary Author mixed material 0673154920 Glenview, Ill. : Scott, Foresman 1981 Byrns, Ralph T. Primary Author mixed material Santa Monica, California Goodyear 1981 Frank, Robert H. Primary Author Bernanke, Ben S. Additional Author mixed material 9780071106047 Boston McGraw Hill 2007