Centesimus annus
   Chap., §
 1   2,  15 |       will be more skilled and productive, as well as careful controls
 2   3,  22 |    there began a difficult but productive transition towards more
 3   4,  31 |  increasingly important as the productive factor both of non-material
 4   4,  31 | becomes ever more fruitful and productive to the extent that people
 5   4,  31 |      more knowledgeable of the productive potentialities of the earth
 6   4,  32 |        and the combinations of productive factors most adapted to
 7   4,  32 |        goal. Organizing such a productive effort, planning its duration
 8   4,  32 |        to discover the earth's productive potential and the many different
 9   4,  33 | humanly dignified way within a productive system in which work is
10   4,  35 |        profit, this means that productive factors have been properly
11   4,  36 |    rather than another, in one productive sector rather than another,


Evangelium vitae
   Chap., §
12   3,  64 |       the basis of criteria of productive efficiency, according to


Laborem exercens
   Chap., §
13   3,   12|      use them correctly in the productive process. In every phase
14   4,   22|       that they can be given a productive activity suited to them.