Published in The Philippine Review of Business and Economics (1968)

Published in The Philippine Review of Business and Economics (1968)

Published in The Philippine Review of Business and Economics (1968)

Published in The Philippine Review of Business and Economics (1968)

Published in Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) (1968)

Published in Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) (1968)

Published in Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) (1968)

Published in Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) (1968)

Published in Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) (1968)

Published in Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) (1968)