diff --git a/citations.txt b/citations.txt
index cdc32ef..ef58a09 100644
--- a/citations.txt
+++ b/citations.txt
@@ -36,6 +36,10 @@ DeepFace is cited by the following papers.
 
 [12] Morcillo Vizuete, Francisco. Desarrollo de un sistema de reconocimiento facial utilizando Deep Learning con OpenCV. Diss. Universitat Politècnia de València, 2020.
 
+[13] Jacob, Melvin Paul. "COMPARISON OF POPULAR FACE DETECTION AND RECOGNITION TECHNIQUES.". International Research Journal of Modernization in Engineering Technology and Science. Vol 3, Issue 4. 2021.
+
+[14] Yalavarthi Bharat Chandra et al, A Comparative Analysis Of Face Recognition Models On Masked Faces, International Journal of Scientific & Technology Research. Vol 9, Issue 10. 2020.
+
 Based on the following academic repositories
 
 [1] Google Scholar: https://scholar.google.com/scholar?oi=bibs&hl=tr&cites=17652496388087594988