Seperti yang Anda telah ketahui bah

Seperti yang Anda telah ketahui bahwa study pertama kami telah dilakukan pada April 25, 2015 sampai dengan Mei 24, 2015 untuk mendapatkan informasi permasalahan yang dihadapi oleh masing-masing implementing agency melalui interview dan pengisian kuesioner.

Results (English) 1:

As you already know that our first study has been conducted on April 25, 2015 until May 24, 2015 to get information of the problems encountered by each implementing agency through interview and questionnaire filling.

Results (English) 2:

As you already know that our first study was conducted on April 25, 2015 until May 24, 2015 to obtain information about the problems faced by each implementing agency through interviews and questionnaires.