Sutriana, Amalia, 		Hasibuan, Mira, 		Nurhazimah, Nurhazimah, 		Armansyah, Teuku, 		Siregar, Tongku, 		Panjaitan, Budianto, 		Hafizuddin, Hafizuddin, 		Sayuti, Arman, 		Aliza, Dwinna, AND 		Rosmaidar, Rosmaidar.
" Pemberian Ekstrak Akar Pasak Bumi Meningkatkan Kualitas Spermatozoa Domba Waringin" <em>Jurnal Veteriner</em> [Online], (30 September 2021)