-
3031
-
3032
-
3033
-
3034
Geothermal energy its past, present, and future contributions to the energy needs of man
Argitaratua 1978Liburua -
3035
Agrarian adaptation to demographic and technological changes in two Central Luzon villages
Argitaratua 1978Liburua -
3036
-
3037
-
3038
Dynamics of sector policy, with emphasis on the maritime sector optimum development
Argitaratua 1978Liburua -
3039
-
3040