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diff --git a/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/README.md b/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/README.md
index 02914ad..58b9c1a 100644
--- a/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/README.md
+++ b/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/README.md
@@ -3,4 +3,21 @@ FSF2020--Somnath Pandit
 **Topics:**
 
 1. Double Integral
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+![file1_surface](https://github.com/panditsomnath10016git/FSF-mathematics-python-code-archive/blob/master/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/double-integrals/file1_surface.gif?raw=true)
+
+![file2_area_under_func](https://github.com/panditsomnath10016git/FSF-mathematics-python-code-archive/blob/master/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/double-integrals/file2_area_under_func.gif?raw=true)
+
+![file3_y_limit_dependent_on_x](https://github.com/panditsomnath10016git/FSF-mathematics-python-code-archive/blob/master/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/double-integrals?raw=true/file3_y_limit_dependent_on_x.gif)
+
+![file4_non_rect_region](https://github.com/panditsomnath10016git/FSF-mathematics-python-code-archive/blob/master/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/double-integrals/file4_non_rect_region.gif?raw=true)
+
+![file5_elementary_area](https://github.com/panditsomnath10016git/FSF-mathematics-python-code-archive/blob/master/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/double-integrals/file5_elementary_area.gif?raw=true)
+
 2. Fubini's Theorem
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+![file1_surface1](https://github.com/panditsomnath10016git/FSF-mathematics-python-code-archive/blob/master/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/fubini's-theorem/file1_surface1.gif?raw=true)
+
+![file2_surface2](https://github.com/panditsomnath10016git/FSF-mathematics-python-code-archive/blob/master/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/fubini's-theorem/file2_surface2.gif?raw=true)
+
+![file3_iteration_methods](https://github.com/panditsomnath10016git/FSF-mathematics-python-code-archive/blob/master/FSF-2020/calculus-of-several-variables/integrals-of-multivariable-functions/fubini's-theorem/file3_iteration_methods.gif?raw=true)