diff --git a/backend/modules/cobranza/logic.py b/backend/modules/cobranza/logic.py
index fbd9177..983f379 100644
--- a/backend/modules/cobranza/logic.py
+++ b/backend/modules/cobranza/logic.py
@@ -96,9 +96,10 @@ class CobranzaLogic:
         for d in datos_brutos:
             mat = d.get('MATRICULA', '')
             alumno = d.get('ALUMNO', '')
-            num_cuota = d.get('NUM_CUOTA', '-') 
-            fch_venc = d.get('FCH_VENC', '-')   
-            
+            num_cuota = d.get('NUM_CUOTA', '-')
+            fch_venc = d.get('FCH_VENC', '-')
+            programa = d.get('PROGRAMA', '-')   # programa detallado del alumno
+
             cta_ant = float(d.get('CTA_COB_ANT', 0.0))
             cta_cur = float(d.get('CTA_COB_MES_CURSO', 0.0))
             cta_tot = float(d.get('TOTAL_CTA_COB', 0.0))
@@ -106,24 +107,24 @@ class CobranzaLogic:
             cob_cur = float(d.get('COB_MES_CURSO', 0.0))
             cob_tot = float(d.get('TOTAL_COBRADO', 0.0))
             saldo = float(d.get('SALDO', 0.0))
-            
+
             t_cta_ant += cta_ant; t_cta_cur += cta_cur; t_cta_tot += cta_tot
             t_cob_ant += cob_ant; t_cob_cur += cob_cur; t_cob_tot += cob_tot; t_saldo += saldo
-            
+
             r1 = (cob_ant / cta_ant) * 100 if cta_ant > 0 else 0.0
             r2 = (cob_cur / cta_cur) * 100 if cta_cur > 0 else 0.0
             r3 = (cob_tot / cta_tot) * 100 if cta_tot > 0 else 0.0
-
             avance_ant = f"{r1:.0f}%" if cta_ant > 0 else ""
             avance_cur = f"{r2:.0f}%" if cta_cur > 0 else ""
             avance_tot = f"{r3:.0f}%" if cta_tot > 0 else ""
-            
+
             fila = [
-                mat, alumno, num_cuota, fch_venc, 
+                mat, alumno, num_cuota, fch_venc,
                 f"S/ {cta_ant:,.0f}", f"S/ {cob_ant:,.0f}", avance_ant,
                 f"S/ {cta_cur:,.0f}", f"S/ {cob_cur:,.0f}", avance_cur,
                 f"S/ {cta_tot:,.0f}", f"S/ {cob_tot:,.0f}", avance_tot,
-                f"S/ {saldo:,.0f}"
+                f"S/ {saldo:,.0f}",
+                programa   # índice [14]: PROGRAMA (extra, al final; no altera columnas previas)
             ]
             sheet_data.append(fila)
             
@@ -132,11 +133,12 @@ class CobranzaLogic:
         r_tot_3 = (t_cob_tot / t_cta_tot) * 100 if t_cta_tot > 0 else 0.0
             
         fila_total = [
-            "TOTAL", "GENERAL", "-", "-", 
+            "TOTAL", "GENERAL", "-", "-",
             f"S/ {t_cta_ant:,.0f}", f"S/ {t_cob_ant:,.0f}", f"{r_tot_1:.0f}%",
             f"S/ {t_cta_cur:,.0f}", f"S/ {t_cob_cur:,.0f}", f"{r_tot_2:.0f}%",
-            f"S/ {t_cta_tot:,.0f}", f"S/ {t_cob_tot:,.0f}", f"{r_tot_3:.0f}%", 
-            f"S/ {t_saldo:,.0f}"
+            f"S/ {t_cta_tot:,.0f}", f"S/ {t_cob_tot:,.0f}", f"{r_tot_3:.0f}%",
+            f"S/ {t_saldo:,.0f}",
+            ""   # índice [14]: PROGRAMA vacío en la fila total
         ]
         sheet_data.append(fila_total)
         return sheet_data