5 1 50 statika Beer, Ferdinand P. Primary Author Johnston, Jr., E. Russell Additional Author mixed material 32000325 Jakarta Erlangga 1989 Johnston Primary Author mixed material 070326797 New York Mc Grow-Hill 1963 Jack Johnston Primary Author John Dinardo Primary Author mixed material 0079131212 New York McGraw - Hill 1997 econometric_methods.jpg.jpg David Hull Primary Author Derek I.Johnston Additional Author mixed material IMG_20170407_0026.jpg.jpg David Hull Primary Author Derek I. Johnston Additional Author mixed material 9789794488188