How can a child be taught to pronounce mama and papa?

Teaching the child to pronounce papa and mama:

Parents are always eager to hear the words Papa and Mama correctly from their newborn, so we will present to you an effective way to teach the infant to say Papa and Mama:

• Have your child look at your mouth while spelling the words Baba and Mama. Let him notice the pronunciation of each letter. This gives your child at the same time visual, auditory and tactile feedback to repeat the word after you.
• Hide behind a door or under a blanket, and suddenly appear behind them and say Mama or Baba, do this several times, then hide and do not come out, until your child starts trying to say Baba or Mama in order for you to appear.
• Create a photo album with lots of pictures of you or his dad, point to your photos and say "Mama or Papa" depending on the photo, then wait and don't say Mama or Papa until your child says it for you.
• Film a short video clip and let your child watch it, and within the video appear in front of the camera and say Mama or Papa, repeat this 4 times in a row, then stay away from the camera for 5 seconds, then appear in front of the camera and wait 5 seconds before you say Mama or Papa, this will stimulate your child Saying these two words.