diff --git a/activity diagram/phanQuyen_duyetLichLam.drawio b/activity diagram/phanQuyen_duyetLichLam.drawio
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index 0000000..3345298
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diff --git a/activity diagram/quanLyKho_dinhMuc.drawio b/activity diagram/quanLyKho_dinhMuc.drawio
new file mode 100644
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+++ b/activity diagram/quanLyKho_dinhMuc.drawio
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diff --git a/activity diagram/quanLyKhuyenMai.drawio b/activity diagram/quanLyKhuyenMai.drawio
new file mode 100644
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+++ b/activity diagram/quanLyKhuyenMai.drawio
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diff --git a/activity diagram/quanLyThucDon&combo.drawio b/activity diagram/quanLyThucDon&combo.drawio
new file mode 100644
index 0000000..0997955
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+++ b/activity diagram/quanLyThucDon&combo.drawio
@@ -0,0 +1,108 @@
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diff --git a/activity diagram/thongKe_phanTIch.drawio b/activity diagram/thongKe_phanTIch.drawio
new file mode 100644
index 0000000..38f9485
--- /dev/null
+++ b/activity diagram/thongKe_phanTIch.drawio
@@ -0,0 +1,92 @@
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