Spahić, A.: Determination of the organic substances, phosphorus and nitrogen in vertical profile of Una River sediments, diploma thesis. University of Bihać. Mentor: Doc.Dr. N.Džankić.

Kozlica, S.: Determination of the heavy metal content in vertical profile of Una River sediments, diploma thesis. University of Bihać. Mentor: Doc.Dr. N.Džankić.

Rošić, S.: Ecological evaluation of the Una River quality, diploma thesis. University of Bihać. Mentor: Doc.Dr. N.Džankić.

Gerzić, S.: Correlation between organic ingredients and ingredients of dissolved oxygen in Una River, diploma thesis. University of Bihać. Mentor: Doc.Dr. N.Džankić.

Komić, A.: Determination of nutrient content causing the eutrophication process in water of the Una River basin, diploma thesis. University of Bihać. Mentor: Doc.Dr. N.Džankić.

Šahinović, Đ.: Research of the basic physico-chemical parameters responsible for tufa creation, diploma thesis. University of Bihać. Mentor: Doc.Dr. N.Džankić.