Mergency medicine practice survey questionaire

i want to conduct a research in medical field , the reaserch about emergency medicine practice in eastern province in saudi arabia which look for who is working in emergency department(i.e GP , ER training doctor , surgeon etc) , satisfaction of staff , qualification, adminstration support , attending CME hours through questionaire distrbute to all ER departmetnts in the area
i need to write a reaserch propsal , methodology (which type of survey i have to choose and why).
research question.
i will try to upload my questinaire