ABSORPSI β-KAROTEN SERBUK DAUN SINGKONG (Manihot Utilissima) KERING PADA ANAK PRASEKOLAH

by Almasyhuri Almasyhuri, M. Khumaidi, Muhilal Muhilal, Rimbawan Rimbawan
Published 2012-11-01

Effect Methanol, Ethanol, Butanol on the Emissions Characteristics of Gasoline Engine

by Syarifudin Syarifudin, Firman Lukman Sanjaya, Faqih Fatkhurrozak, M. Khumaidi Usman, Yohanes Sibagariang, Hasan Köten
Published 2021-03-01