SAMPLING AIR, YOGYA 2019 Published 23 Agustus 2022 at 1040 × 780 in Training Sampling Lingkungan (Air, Tanah dan Udara) : (18-19 April 2024,Yogyakarta) (25-26 April 2024,Semarang) (02-03 Mei 2024,Jakarta) (09-10 Mei 2024,Yogyakarta)