Achsani Taqwim. THE EFFECT OF SPARK PLUG GROUND VARIATION AND MACHINE ROTATION ON CONVERSION OF GASOLINE MOTOR FUEL TO LPG FUEL ON EXHAUST EMISSIONS OF 200CC WATER PUMP ENGINE: PENGARUH VARIASI GROUND BUSI DAN PUTARAN MESIN PADA KONVERSI BAHAN BAKAR MOTOR BENSIN KE BAHAN BAKAR LPG TERHADAP EMISI GAS BUANG MESIN POMPA AIR 200 CC. J-MEEG [Internet]. 2024 Nov. 28 [cited 2024 Dec. 4];3(2):337-42. Available from: http://jurnal.polinema.ac.id/index.php/j-meeg/article/view/3237