Yosenov, H., V. S. Bachtiar, and Z. Zulkarnaini. “Analysis of Air Pollution Distribution in West Pasaman Regency Effects of Palm Oil Mills”. Jurnal Pendidikan Teknologi Kejuruan, vol. 6, no. 2, May 2023, pp. 120-8, doi:10.24036/jptk.v6i2.33323.