In A Large Skillet, Cook The Beef, Onion And Green Pepper Over Medium Heat Until Meat Is No Longer Pink; Drain. Stir In The Tomato Sauce, Mushrooms, Paprika, Garlic Salt, Oregano And Pepper. Unroll Pizza Dough Onto A Greased Baking Sheet; Roll Into A 15-In. X 12-In. Rectangle. Spoon Meat Mixture Down The Center Of Rectangle; Sprinkle With Cheeses. On Each Long Side, Cut 1-In.-Wide Strips About 2-1/2 In. Into Center. Starting At One End, Fold Alternating Strips At An Angle Across Filling. Pinch Ends To Seal. Bake At 350