Harahap, Akbar, 		Syafriandi, Syafriandi, 		Mustaqimah, Mustaqimah, AND 		Afriadi, Afriadi.
" Rancang Bangun Mesin Pelubang Plastik Mulsa" <em>Jurnal Ilmiah Teknologi Pertanian Agrotechno</em> [Online], Volume 5 Number 1 (28 April 2020)