Samba Wirahma 2018. Preface JSTMC Vol.19 No.1 June 2018 : Foreword and Acknowledgement. Jurnal Sains & Teknologi Modifikasi Cuaca. 19, 1 (Jun. 2018), iii-v. DOI:https://doi.org/10.29122/jstmc.v19i1.3257.