.2004 .Law of the Republic of Indonesia Number 38 of 2004 concerning Roads. [1] Government of the Republic of Indonesia, : .
General Directorate .2023 .National Road Surface Conditions https. , : .
Suaryana Nyoman,Housing Public .2021 .Survey guidelines for collecting data on the condition of Indonesia's road network: Ministry of Public Works. , : .
.2011 .Regulation of the Minister of Public Works of the Republic of Indonesia Number 13 of 2011 concerning Procedures for Maintenance and Inspection of Indonesian Roads: Ministry of Public Works. [4] Minister of Public Works, : .
Society American .1998 .Standard Practice for Computing International Roughness Index of Roads from Longitudinal Profile Measurements. , : .
Rahmawati Reny .2020 .Study of Assessment of Road Damage Conditions with International Roughness Index (IRI) and Surface Distress Index (SDI) Value Methods Engineering Journal. , 13(2) : 7-15.
Sulthon Ayoni . .. , 10 : 16.
Dr. Molli Wahyuni S. Si N. P. 2020 . .Statistik Deskriptif Olah Data Manual dan SPSS Versi 25 1st ed. , : .
Pohoaţă Alin Marius Andrieş Gabriel Cucuteanu P. and Ovidiu Ion,Stofor P. Ion .2023 .Review of Economic and Business Studies, Iasi Rumania. , : .
Ibnatur Husnul N Ruwah . .. 2020 Statistik Deskriptif 1st ed., 1, : .
Larose D. T.,Freeman W. H. .2014 .. , : .
Hogg R. V. McKean J. W.,Craig A. T. .2019 .. , : .
Sep Lasiman .2007 .Lasiman Gravity in Bandung Comparison of Measurements of Earth's Gravitational Acceleration by Ordinary Free-Fall Motion and. , 1(2) : 28-34.