ANALISIS EKONOMI USAHA SAPI POTONG DI LAHAN PERKEBUNAN SAWIT DAN KARET

by S. Rusdiana, R. Hutasoit, J. Sirait
Published 2016-02-01

Production and nitrogen uptake of grasses on different shading and fertilization

by J Sirait, N.D Purwantari, K Simanihuruk
Published 2005-10-01

THE DEVELOPMENT OF QUESTIONNAIRE TO INVESTIGATE STUDENTS ATTITUDES AND APPROACHES IN PHYSICS PROBLEM SOLVING

by J. Sirait, L. Sutrisno, N. Balta, A. Mason
Published 2017-11-01

A Shade Tolerant Forage, Stenotaphrum secundatum, in the Oil Palm Plantation to Support Cattle Productivity

by Rijanto Hutasoit, R Rosartio, S Elisier, J Sirait, . Antonius, H Syawal
Published 2020-05-01