Items where Author is "Haryandi, Steffi"
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Haryandi, Steffi (2019) Perbaikan tanah gambut menggunakan cangkang kerang simping, cangkang telur, dan abu marmer = Improvement of peat soil by adding scallop shells, eggshells, and marble ash. Bachelor thesis, Universitas Pelita Harapan.
Tirta, Eldwin and Haryandi, Steffi (2018) Laporan Kerja Praktek: Apartemen Pacific Garden Style. Bachelor thesis, Universitas Pelita Harapan.