Vol. 9 No. 1 (2020)

Articles

• Externality Effects of Sachet and Plastic Bottled Water Consumption on the Environment: Evidence from Benin City and Okada in Nigeria

  Ohiomu Sylvester, Ihensekhien Orobosa Abraham, Ovenseri-Ogbomo Friday Osaru

  1-9

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• State and Evolution of Public and Private Research and Development in Bulgarian Agriculture

  Hrabrin Bachev

  10-25

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• Investigating the Environmental Effects of Economic Growth in African Economies

  Joshua Clifford Kofi Amissah, Samuel Attuquaye Clottey

  26-46

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• Determinant of Tax Revenue Effort in Sub-Saharan African Countries: A Stochastic Frontier Analysis

  Agumas Alamirew Mebratu, Fentaw Leykun, Merouane Lakehal-Ayat

  47-71

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• Developing a Conceptual Model for Antecedents of Resistance to Change towards Sustainable Construction Practices

  Peter Uchenna Okoye, Isaac Abiodun Odesola

  72-90

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