Ooi, H. S. Potential of modified porter P6-121 in pineapple estate / by H. S. Ooi and A. M. Hamdan - 8 pages : illustrations ; 26 cm. - MARDI Report ; no.111 . - MARDI Report ; no.111 . ISBN: 9679360105 Hadiah Subjects--Topical Terms: Agricultural machinery--MalaysiaPineapple--Malaysia