diff --git a/doc/main.pdf b/doc/main.pdf
index ea34477..9a09ee3 100644
Binary files a/doc/main.pdf and b/doc/main.pdf differ
diff --git a/doc/main.tex b/doc/main.tex
index e9ea524..0d938eb 100644
--- a/doc/main.tex
+++ b/doc/main.tex
@@ -149,8 +149,12 @@
     \label{sec:bio}
 
     \newpage
-        \input{modules/bio}
-    \label{sec:bio}
+        \input{modules/protocol}
+    \label{sec:protocol}
+
+    % \newpage
+    %     \input{modules/bio}
+    % \label{sec:bio}
 
     %   \newpage
 %   \input{modules/wymagania_edukacyjne} % Wczytaj zawartość pliku
diff --git a/doc/modules/alg.tex b/doc/modules/alg.tex
index 9ff7075..c00861e 100644
--- a/doc/modules/alg.tex
+++ b/doc/modules/alg.tex
@@ -1,6 +1,12 @@
-\newpage
-
-\section*{Modyfikacja genetyczna poprawiająca odporność na suszę}
+\item
+\begin{center}
+    \fbox{
+        \begin{minipage}{0.9\textwidth}
+            \textbf{Modyfikacja genetyczna poprawiająca odporność na suszę}.
+        \end{minipage}
+    }
+\end{center}
+\section*
 
 \begin{longenum}
     \item Wprowadzenie
diff --git a/doc/references.bib b/doc/references.bib
index 8dd622e..1ad03e2 100644
--- a/doc/references.bib
+++ b/doc/references.bib
@@ -51,3 +51,32 @@
   langid = {english},
   file = {/home/user/Zotero/storage/JJPA5C9W/Montecillo et al. - 2020 - CRISPR-Cas9 System for Plant Genome Editing Current Approaches and Emerging Developments.pdf}
 }
+
+@article{source56,
+    author = {TAIR Database},
+    title = {Gene information for DREB1A (AT4G25480)},
+    year = {2024},
+    url = {https://uat.arabidopsis.org/servlets/TairObject?type=locus&name=At4g25480}
+}
+
+@article{source57,
+    author = {Phytozome},
+    title = {Gene report for AT4G25480 - Arabidopsis thaliana},
+    year = {2024},
+    url = {https://phytozome-next.jgi.doe.gov/report/gene/Athaliana_TAIR10/AT4G25480}
+}
+
+@article{source58,
+    author = {UniProt},
+    title = {DREB1A Protein Information},
+    year = {2024},
+    url = {https://www.uniprot.org/uniprotkb/Q9M0L0/entry}
+}
+
+@article{source59,
+    author = {Ensembl Genomes},
+    title = {Gene summary: DREB1A (AT4G25480)},
+    year = {2024},
+    url = {https://plants.ensembl.org/Arabidopsis_thaliana/Gene/Summary?g=AT4G25480}
+}
+