Volume 19 Issue 4, 2026

1.TITLE: A STUDY ON VERTEX ODD MEAN & VERETX EVEN MEAN LABELING OF SOME GRAPHS

AUTHORS: C. Vimala, M. Gayathri

UNIVERSITY: Periyar Maniammai Institute of Science & Technology, Thanjavur-613 403, Tamilnadu, India.

PAGE NO: 1-9

DOI: 22.21668.INSULA.2026.V19.4.03821

2.TITLE: A SYSTEM OF COMPUTER WITH PREVENTIVE MAINTENANCE OVER H/W AND S/W SUBJECT TO MAXIMUM OPERATION TIME

AUTHORS: Anju Dhall

COLLEGE: GGDSD College, Palwal. Haryana (India).

PAGE NO: 10-18

DOI: 22.21668.INSULA.2026.V19.4.03822

3.TITLE: RETROFITTING THERMAL PERFORMANCE OF BUILDING ENVELOPE AND EXTENSION OF SECHA SADAN, BHUBANESWAR

AUTHORS: Ar. Surya Prakash B, Ar. Archana S,  Priya Dharsini E

COLLEGE: Rajalakshmi School of Architecture, Chennai, Tamil Nadu – 602105, India.

AUTHORS: Ar. Aravind

COLLEGE: SRMIST, Kaatankulathur, Chennai, Tamil Nadu – 603 203, India.

PAGE NO: 19-40

DOI: 22.21668.INSULA.2026.V19.4.03823

4.TITLE: EXPERIMENTAL STUDY ON THE BEHAVIOUR OF CONCRETE IN REPLACEMENT OF CEMENT WITH PULVERISED FUEL ASH (COAL ASH) AND LIMESTONE POWDER

AUTHORS: G.B. SANTHOSH KUMAR, B.JOSE RAVINDRA RAJ

UNIVERSITY: PRIST UNIVERSITY, THANJAVUR – 613 403.

PAGE NO: 41-94

DOI: 22.21668.INSULA.2026.V19.4.03824

5.TITLE: AN EXPERIMENTAL INVESTIGATION OF GLASS FIBRE ON BOTTOM ASH BASED CONCRETE

AUTHORS: S.SRI SANTHOSH KUMAR, B.JOSE RAVINDRA RAJ

UNIVERSITY: PRIST UNIVERSITY, THANJAVUR – 613 403.

PAGE NO: 95-151

DOI: 22.21668.INSULA.2026.V19.4.03825

6.TITLE: PERFORMANCE OF PUBLIC DISTRIBUTION SYSTEM AT SIRKALI IN NAGAPATTINAM DISTRICT, TAMIL NADU

AUTHORS: J.Pushpakokilam

UNIVERSITY: Bharathidasan University, Tiruchirappalli-620024.

PAGE NO: 152-164

DOI: 22.21668.INSULA.2026.V19.4.03826

7.TITLE: A STUDY ON WORKING CAPITAL MANGEMENT ON INDIAN TYRE INDUSTRY

AUTHORS: Dr.K.R.Sivabagyam, C.N. Emmanual, M. Naveen, M . Surabi Gopinath, Anna Susan James

COLLEGE: Sri Krishna Arts and Science College.

PAGE NO: 165-178

DOI: 22.21668.INSULA.2026.V19.4.03827

8.TITLE: A STUDY ON IMPACT OF WORKING CAPITAL MANAGEMENT ON LIQUIDITY AND PROFITABILITY OF FORCE MOTORS

AUTHORS: DR. S. SUBHA, Aarthy.T, Karthika.G, Varchana.K, Vinushya.V

COLLEGE: Sri Krishna arts and science college, Coimbatore, Tamilnadu.

PAGE NO: 179-182

DOI: 22.21668.INSULA.2026.V19.4.03828

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