Vol 4, No 1 (2025)

Vol 4, No 1 (2025)

May

Table of Contents

Articles

Trickling Filter with River Stone and Hose Piece Media Variations for Treating Poultry Slaughterhouse Wastewater

Taty Alfiah, Aholiab Alfansen Naa

DOI: 10.31284/j.jcepd.2025.v4i1.7733

PDF

1-7

Application of the HIRADC Method for Hazard Risk Mitigation in Steel Pipe Manufacturing Processes

Wulung Aditya, Rachmat Yustiawan Hadi, Cayo Pungki Andrianto, Mohamad Ferdaus Noor Aulady

DOI: 10.31284/j.jcepd.2025.v4i1.7745

PDF

8-12

CSI AND IPA METHODS FOR ANALYZING TRAIN PASSENGER SATISFACTION AT SIDOARJO STATION

Akhmat Irfandi, Theresia Maria Chandra Agusdini, Kurnia Hadi Putra, Ratih Sekartadji

DOI: 10.31284/j.jcepd.2025.v4i1.7843

PDF

13-19

Multi Pocket System for Itinerant Barber Bag Design

Ningroom - Adiani, Muhammad Saif An Naja

DOI: 10.31284/j.jcepd.2025.v4i1.7701

PDF

20-28

Water Quality Analysis of Kalidami River Surabaya City Using Biomonitoring Method

Daffa Dwi Falaah, Varrel Raffalino Wardhana

DOI: 10.31284/j.jcepd.2025.v4i1.7712

PDF

29-36

An Effort to Monitor River Water Quality with Biomonitoring Method in Sumo River, Surabaya City

Mikhael Pratama Abdi Setya, Gorin Revalandro

DOI: 10.31284/j.jcepd.2025.v4i1.7705

PDF

37-46