"Nghiên cứu trước đây" in Vietnamese is the translation of English "Past research" (find more translations on these pages: "Past research in Different Languages" and "Past research in Vietnamese").

Nghiên cứu trước đây pronunciation: If you want to know how to pronounce Nghiên cứu trước đây in Vietnamese (that is, how we say "Past research" in Vietnamese), you will find the audio pronunciation below.

Please listen to the proper pronunciation and remember how to say it. We hope this will help you to master your Vietnamese language.

Here is the Vietnamese pronunciation of the word Nghiên cứu trước đây:
Vietnamese, female
Vietnamese, male