Stabilisasi lempung serpih dengan menggunakan campuran tanah laterit dan enzim urease = Stabilization of clay shale using laterit soil and urease enzyme / Maxwel Joseph Henri Nainggolan

Stabilisasi lempung serpih yang mengalami pelapukan dengan propylene glycol dan kalium klorida sebagai alternatif material timbunan = Stabilization of weathered clay shale using propylene glycol and pottasium chloride as an embankment material alternatives

Studi perkuatan tanah clayshale akibat perbedaan sudut geometri terhadap faktor keamanan = Strenght of clayshale soil study due to angle of geometric differences toward slope safety factor

Perilaku kekuatan geser tanah lempung lunak dengan uji vane shear dan uji triaksial UU = Shear strength behavior in the soft clay with vane shear test and triaxial UU test

Karakteristik sedimen dan pengaruh total padatan tersuspensi terhadap kandungan klorofil-a di Teluk Kendari Sulawesi Tenggara = Sediment characteristics and influence of Total Suspended Solid (TSS) to chlorophyll-a content in Kendari Bay, Southeast Sulawesi