?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Indra+Purwanto&rft.aufirst=Purwanto&rft.au=Indra+Purwanto%2C+Purwanto&rft.degree=Bachelor&rft.inst=Sains+dan+Teknik&rft.date=30+July+2026&rft.title=Studi+Perencanaan+Pengaman+Tebing+Sungai%2FKali+Subang+Tipe+Bronjong+Dengan+Menggunakan+Software+Geostudio+(Studi+Kasus+Di+Desa+Bulaklo+Kecamatan+Balen+Kabupaten+Bojonegoro)