Department of Interior and Local Government. Local Government Academy, Union of Local Authorities of the Philippines, Swedish Association of Local Authorities and Regions, International Development Agency, & Swedish International Development Agency. (2008). Social Transformation through Environmental Program (STEP) for effective waste management: Training manual (modules 1-5) : residual, recycle, re-use, reduce. Local Government Academy, Department of the Interior and Local Government.

Department of Interior and Local Government. Local Government Academy, Union of Local Authorities of the Philippines, International Development Agency Swedish Association of Local Authorities and Regions, a Swedish International Development Agency. Social Transformation Through Environmental Program (STEP) for Effective Waste Management: Training Manual (modules 1-5) : Residual, Recycle, Re-use, Reduce. Pasig City: Local Government Academy, Department of the Interior and Local Government, 2008.

Department of Interior and Local Government. Local Government Academy, et al. Social Transformation Through Environmental Program (STEP) for Effective Waste Management: Training Manual (modules 1-5) : Residual, Recycle, Re-use, Reduce. Local Government Academy, Department of the Interior and Local Government, 2008.