2019. Baseline survey, analysis, and preparation of design and detailed engineering design for peat wetting infrastructures at KHG Sungai Kiyap-Sungai Kerumutan, Riau Province.
2019. Baseline survey, analysis and preparation of design and detailed engineering design for peat rewetting infrastructures at KHG Sungai Rokan-Sungai Kubu, Riau Province.