![Aerial view over a part of the lake Vansjø in Østfold, Norway. This part of the lake is called Kjellerødtangen (center). In the upper left is the inlet of the narrow sound Aerial view over a part of the lake Vansjø in Østfold, Norway. This part of the lake is called Kjellerødtangen (center). In the upper left is the inlet of the narrow sound](https://c8.alamy.com/comp/TRB7DJ/aerial-view-over-a-part-of-the-lake-vansj-in-stfold-norway-this-part-of-the-lake-is-called-kjellerdtangen-center-in-the-upper-left-is-the-inlet-of-the-narrow-sound-called-nlyet-vansj-is-the-largest-lake-in-stfold-the-lake-vansj-and-its-surrounding-lakes-and-rivers-are-a-part-of-the-water-system-called-morsavassdraget-the-view-is-towards-the-southeast-october-2004-TRB7DJ.jpg)
Aerial view over a part of the lake Vansjø in Østfold, Norway. This part of the lake is called Kjellerødtangen (center). In the upper left is the inlet of the narrow sound
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Sustainability | Free Full-Text | Agile Development of Secure Software for Small and Medium-Sized Enterprises
![The former leader of the Morsa project Helga Gunnarsdottir at one of the filter dams near the lake Vansjø in Østfold, Norway. The purpose of the Morsa project is to improve the The former leader of the Morsa project Helga Gunnarsdottir at one of the filter dams near the lake Vansjø in Østfold, Norway. The purpose of the Morsa project is to improve the](https://c8.alamy.com/comp/TX2469/the-former-leader-of-the-morsa-project-helga-gunnarsdottir-at-one-of-the-filter-dams-near-the-lake-vansj-in-stfold-norway-the-purpose-of-the-morsa-project-is-to-improve-the-water-quality-in-the-lake-and-the-filter-dams-are-filtering-water-from-agriculture-the-lake-vansj-and-its-surrounding-lakes-and-rivers-are-a-part-of-the-water-system-called-morsavassdraget-may-2010-TX2469.jpg)