Hseu JS and JK Shang (2005). “Productivity Changes of Pulp and Paper Industry in OECD Countries, 1991-2000: A Non-Parametric Malmquist Approach.” Forest Policy and Economics 7(3): 411-422.

Hseu JS and JK Shang (2005). “Productivity Changes of Pulp and Paper Industry in OECD Countries, 1991-2000: A Non-Parametric Malmquist Approach.” Forest Policy and Economics 7(3): 411-422.

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